21823256

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 52039680

約数和(自身を除く): 30216424

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 967, 1612, 1736, 1934, 2821, 3224, 3868, 5642, 6769, 7736, 11284, 12571, 13538, 22568, 25142, 27076, 29977, 50284, 54152, 59954, 87997, 100568, 119908, 175994, 209839, 239816, 351988, 389701, 419678, 703976, 779402, 839356, 1558804, 1678712, 2727907, 3117608, 5455814, 10911628, 21823256]

約数ペア:

[(1, 21823256), (2, 10911628), (4, 5455814), (7, 3117608), (8, 2727907), (13, 1678712), (14, 1558804), (26, 839356), (28, 779402), (31, 703976), (52, 419678), (56, 389701), (62, 351988), (91, 239816), (104, 209839), (124, 175994), (182, 119908), (217, 100568), (248, 87997), (364, 59954), (403, 54152), (434, 50284), (728, 29977), (806, 27076), (868, 25142), (967, 22568), (1612, 13538), (1736, 12571), (1934, 11284), (2821, 7736), (3224, 6769), (3868, 5642)]