21950880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 192

約数和(自身を含む): 81285120

約数和(自身を除く): 59334240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 96, 105, 112, 120, 139, 140, 141, 160, 168, 188, 210, 224, 235, 240, 278, 280, 282, 329, 336, 376, 417, 420, 470, 480, 556, 560, 564, 658, 672, 695, 705, 752, 834, 840, 940, 973, 987, 1112, 1120, 1128, 1316, 1390, 1410, 1504, 1645, 1668, 1680, 1880, 1946, 1974, 2085, 2224, 2256, 2632, 2780, 2820, 2919, 3290, 3336, 3360, 3760, 3892, 3948, 4170, 4448, 4512, 4865, 4935, 5264, 5560, 5640, 5838, 6533, 6580, 6672, 7520, 7784, 7896, 8340, 9730, 9870, 10528, 11120, 11280, 11676, 13066, 13160, 13344, 14595, 15568, 15792, 16680, 19460, 19599, 19740, 22240, 22560, 23352, 26132, 26320, 29190, 31136, 31584, 32665, 33360, 38920, 39198, 39480, 45731, 46704, 52264, 52640, 58380, 65330, 66720, 77840, 78396, 78960, 91462, 93408, 97995, 104528, 116760, 130660, 137193, 155680, 156792, 157920, 182924, 195990, 209056, 228655, 233520, 261320, 274386, 313584, 365848, 391980, 457310, 467040, 522640, 548772, 627168, 685965, 731696, 783960, 914620, 1045280, 1097544, 1371930, 1463392, 1567920, 1829240, 2195088, 2743860, 3135840, 3658480, 4390176, 5487720, 7316960, 10975440, 21950880]

約数ペア:

[(1, 21950880), (2, 10975440), (3, 7316960), (4, 5487720), (5, 4390176), (6, 3658480), (7, 3135840), (8, 2743860), (10, 2195088), (12, 1829240), (14, 1567920), (15, 1463392), (16, 1371930), (20, 1097544), (21, 1045280), (24, 914620), (28, 783960), (30, 731696), (32, 685965), (35, 627168), (40, 548772), (42, 522640), (47, 467040), (48, 457310), (56, 391980), (60, 365848), (70, 313584), (80, 274386), (84, 261320), (94, 233520), (96, 228655), (105, 209056), (112, 195990), (120, 182924), (139, 157920), (140, 156792), (141, 155680), (160, 137193), (168, 130660), (188, 116760), (210, 104528), (224, 97995), (235, 93408), (240, 91462), (278, 78960), (280, 78396), (282, 77840), (329, 66720), (336, 65330), (376, 58380), (417, 52640), (420, 52264), (470, 46704), (480, 45731), (556, 39480), (560, 39198), (564, 38920), (658, 33360), (672, 32665), (695, 31584), (705, 31136), (752, 29190), (834, 26320), (840, 26132), (940, 23352), (973, 22560), (987, 22240), (1112, 19740), (1120, 19599), (1128, 19460), (1316, 16680), (1390, 15792), (1410, 15568), (1504, 14595), (1645, 13344), (1668, 13160), (1680, 13066), (1880, 11676), (1946, 11280), (1974, 11120), (2085, 10528), (2224, 9870), (2256, 9730), (2632, 8340), (2780, 7896), (2820, 7784), (2919, 7520), (3290, 6672), (3336, 6580), (3360, 6533), (3760, 5838), (3892, 5640), (3948, 5560), (4170, 5264), (4448, 4935), (4512, 4865)]