21914717160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{1999}}^1$

素因数の和:2472

約数の個数: 256

約数和(自身を含む): 77783040000

約数和(自身を除く): 55868322840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 421, 434, 465, 620, 651, 744, 840, 842, 868, 930, 1085, 1240, 1263, 1302, 1684, 1736, 1860, 1999, 2105, 2170, 2526, 2604, 2947, 3255, 3368, 3720, 3998, 4210, 4340, 5052, 5208, 5894, 5997, 6315, 6510, 7996, 8420, 8680, 8841, 9995, 10104, 11788, 11994, 12630, 13020, 13051, 13993, 14735, 15992, 16840, 17682, 19990, 23576, 23988, 25260, 26040, 26102, 27986, 29470, 29985, 35364, 39153, 39980, 41979, 44205, 47976, 50520, 52204, 55972, 58940, 59970, 61969, 65255, 69965, 70728, 78306, 79960, 83958, 88410, 91357, 104408, 111944, 117880, 119940, 123938, 130510, 139930, 156612, 167916, 176820, 182714, 185907, 195765, 209895, 239880, 247876, 261020, 274071, 279860, 309845, 313224, 335832, 353640, 365428, 371814, 391530, 419790, 433783, 456785, 495752, 522040, 548142, 559720, 619690, 730856, 743628, 783060, 839580, 841579, 867566, 913570, 929535, 1096284, 1239380, 1301349, 1370355, 1487256, 1566120, 1679160, 1683158, 1735132, 1827140, 1859070, 2168915, 2192568, 2478760, 2524737, 2602698, 2740710, 3366316, 3470264, 3654280, 3718140, 4207895, 4337830, 5049474, 5205396, 5481420, 5891053, 6506745, 6732632, 7436280, 8415790, 8675660, 10098948, 10410792, 10962840, 11782106, 12623685, 13013490, 16831580, 17351320, 17673159, 20197896, 23564212, 25247370, 26026980, 26088949, 29455265, 33663160, 35346318, 47128424, 50494740, 52053960, 52177898, 58910530, 70692636, 78266847, 88365795, 100989480, 104355796, 117821060, 130444745, 141385272, 156533694, 176731590, 182622643, 208711592, 235642120, 260889490, 313067388, 353463180, 365245286, 391334235, 521778980, 547867929, 626134776, 706926360, 730490572, 782668470, 913113215, 1043557960, 1095735858, 1460981144, 1565336940, 1826226430, 2191471716, 2739339645, 3130673880, 3652452860, 4382943432, 5478679290, 7304905720, 10957358580, 21914717160]

約数ペア:

[(1, 21914717160), (2, 10957358580), (3, 7304905720), (4, 5478679290), (5, 4382943432), (6, 3652452860), (7, 3130673880), (8, 2739339645), (10, 2191471716), (12, 1826226430), (14, 1565336940), (15, 1460981144), (20, 1095735858), (21, 1043557960), (24, 913113215), (28, 782668470), (30, 730490572), (31, 706926360), (35, 626134776), (40, 547867929), (42, 521778980), (56, 391334235), (60, 365245286), (62, 353463180), (70, 313067388), (84, 260889490), (93, 235642120), (105, 208711592), (120, 182622643), (124, 176731590), (140, 156533694), (155, 141385272), (168, 130444745), (186, 117821060), (210, 104355796), (217, 100989480), (248, 88365795), (280, 78266847), (310, 70692636), (372, 58910530), (420, 52177898), (421, 52053960), (434, 50494740), (465, 47128424), (620, 35346318), (651, 33663160), (744, 29455265), (840, 26088949), (842, 26026980), (868, 25247370), (930, 23564212), (1085, 20197896), (1240, 17673159), (1263, 17351320), (1302, 16831580), (1684, 13013490), (1736, 12623685), (1860, 11782106), (1999, 10962840), (2105, 10410792), (2170, 10098948), (2526, 8675660), (2604, 8415790), (2947, 7436280), (3255, 6732632), (3368, 6506745), (3720, 5891053), (3998, 5481420), (4210, 5205396), (4340, 5049474), (5052, 4337830), (5208, 4207895), (5894, 3718140), (5997, 3654280), (6315, 3470264), (6510, 3366316), (7996, 2740710), (8420, 2602698), (8680, 2524737), (8841, 2478760), (9995, 2192568), (10104, 2168915), (11788, 1859070), (11994, 1827140), (12630, 1735132), (13020, 1683158), (13051, 1679160), (13993, 1566120), (14735, 1487256), (15992, 1370355), (16840, 1301349), (17682, 1239380), (19990, 1096284), (23576, 929535), (23988, 913570), (25260, 867566), (26040, 841579), (26102, 839580), (27986, 783060), (29470, 743628), (29985, 730856), (35364, 619690), (39153, 559720), (39980, 548142), (41979, 522040), (44205, 495752), (47976, 456785), (50520, 433783), (52204, 419790), (55972, 391530), (58940, 371814), (59970, 365428), (61969, 353640), (65255, 335832), (69965, 313224), (70728, 309845), (78306, 279860), (79960, 274071), (83958, 261020), (88410, 247876), (91357, 239880), (104408, 209895), (111944, 195765), (117880, 185907), (119940, 182714), (123938, 176820), (130510, 167916), (139930, 156612)]