21793380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2769

約数の個数: 96

約数和(自身を含む): 73436160

約数和(自身を除く): 51642780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 2731, 3990, 5462, 7980, 8193, 10924, 13655, 16386, 19117, 27310, 32772, 38234, 40965, 51889, 54620, 57351, 76468, 81930, 95585, 103778, 114702, 155667, 163860, 191170, 207556, 229404, 259445, 286755, 311334, 363223, 382340, 518890, 573510, 622668, 726446, 778335, 1037780, 1089669, 1147020, 1452892, 1556670, 1816115, 2179338, 3113340, 3632230, 4358676, 5448345, 7264460, 10896690, 21793380]

約数ペア:

[(1, 21793380), (2, 10896690), (3, 7264460), (4, 5448345), (5, 4358676), (6, 3632230), (7, 3113340), (10, 2179338), (12, 1816115), (14, 1556670), (15, 1452892), (19, 1147020), (20, 1089669), (21, 1037780), (28, 778335), (30, 726446), (35, 622668), (38, 573510), (42, 518890), (57, 382340), (60, 363223), (70, 311334), (76, 286755), (84, 259445), (95, 229404), (105, 207556), (114, 191170), (133, 163860), (140, 155667), (190, 114702), (210, 103778), (228, 95585), (266, 81930), (285, 76468), (380, 57351), (399, 54620), (420, 51889), (532, 40965), (570, 38234), (665, 32772), (798, 27310), (1140, 19117), (1330, 16386), (1596, 13655), (1995, 10924), (2660, 8193), (2731, 7980), (3990, 5462)]