21002381120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3767}}^1$

素因数の和:3941

約数の個数: 224

約数和(自身を含む): 60640081920

約数和(自身を除く): 39637700800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 131, 133, 140, 152, 160, 190, 224, 262, 266, 280, 304, 320, 380, 448, 524, 532, 560, 608, 655, 665, 760, 917, 1048, 1064, 1120, 1216, 1310, 1330, 1520, 1834, 2096, 2128, 2240, 2489, 2620, 2660, 3040, 3668, 3767, 4192, 4256, 4585, 4978, 5240, 5320, 6080, 7336, 7534, 8384, 8512, 9170, 9956, 10480, 10640, 12445, 14672, 15068, 17423, 18340, 18835, 19912, 20960, 21280, 24890, 26369, 29344, 30136, 34846, 36680, 37670, 39824, 41920, 42560, 49780, 52738, 58688, 60272, 69692, 71573, 73360, 75340, 79648, 87115, 99560, 105476, 120544, 131845, 139384, 143146, 146720, 150680, 159296, 174230, 199120, 210952, 241088, 263690, 278768, 286292, 293440, 301360, 348460, 357865, 398240, 421904, 493477, 501011, 527380, 557536, 572584, 602720, 696920, 715730, 796480, 843808, 986954, 1002022, 1054760, 1115072, 1145168, 1205440, 1393840, 1431460, 1687616, 1973908, 2004044, 2109520, 2290336, 2467385, 2505055, 2787680, 2862920, 3454339, 3947816, 4008088, 4219040, 4580672, 4934770, 5010110, 5575360, 5725840, 6908678, 7895632, 8016176, 8438080, 9376063, 9869540, 10020220, 11451680, 13817356, 15791264, 16032352, 17271695, 18752126, 19739080, 20040440, 22903360, 27634712, 31582528, 32064704, 34543390, 37504252, 39478160, 40080880, 46880315, 55269424, 65632441, 69086780, 75008504, 78956320, 80161760, 93760630, 110538848, 131264882, 138173560, 150017008, 157912640, 160323520, 187521260, 221077696, 262529764, 276347120, 300034016, 328162205, 375042520, 525059528, 552694240, 600068032, 656324410, 750085040, 1050119056, 1105388480, 1312648820, 1500170080, 2100238112, 2625297640, 3000340160, 4200476224, 5250595280, 10501190560, 21002381120]

約数ペア:

[(1, 21002381120), (2, 10501190560), (4, 5250595280), (5, 4200476224), (7, 3000340160), (8, 2625297640), (10, 2100238112), (14, 1500170080), (16, 1312648820), (19, 1105388480), (20, 1050119056), (28, 750085040), (32, 656324410), (35, 600068032), (38, 552694240), (40, 525059528), (56, 375042520), (64, 328162205), (70, 300034016), (76, 276347120), (80, 262529764), (95, 221077696), (112, 187521260), (131, 160323520), (133, 157912640), (140, 150017008), (152, 138173560), (160, 131264882), (190, 110538848), (224, 93760630), (262, 80161760), (266, 78956320), (280, 75008504), (304, 69086780), (320, 65632441), (380, 55269424), (448, 46880315), (524, 40080880), (532, 39478160), (560, 37504252), (608, 34543390), (655, 32064704), (665, 31582528), (760, 27634712), (917, 22903360), (1048, 20040440), (1064, 19739080), (1120, 18752126), (1216, 17271695), (1310, 16032352), (1330, 15791264), (1520, 13817356), (1834, 11451680), (2096, 10020220), (2128, 9869540), (2240, 9376063), (2489, 8438080), (2620, 8016176), (2660, 7895632), (3040, 6908678), (3668, 5725840), (3767, 5575360), (4192, 5010110), (4256, 4934770), (4585, 4580672), (4978, 4219040), (5240, 4008088), (5320, 3947816), (6080, 3454339), (7336, 2862920), (7534, 2787680), (8384, 2505055), (8512, 2467385), (9170, 2290336), (9956, 2109520), (10480, 2004044), (10640, 1973908), (12445, 1687616), (14672, 1431460), (15068, 1393840), (17423, 1205440), (18340, 1145168), (18835, 1115072), (19912, 1054760), (20960, 1002022), (21280, 986954), (24890, 843808), (26369, 796480), (29344, 715730), (30136, 696920), (34846, 602720), (36680, 572584), (37670, 557536), (39824, 527380), (41920, 501011), (42560, 493477), (49780, 421904), (52738, 398240), (58688, 357865), (60272, 348460), (69692, 301360), (71573, 293440), (73360, 286292), (75340, 278768), (79648, 263690), (87115, 241088), (99560, 210952), (105476, 199120), (120544, 174230), (131845, 159296), (139384, 150680), (143146, 146720)]