21897372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3571}}^1$

素因数の和:3658

約数の個数: 48

約数和(自身を含む): 59209472

約数和(自身を除く): 37312100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 438, 511, 876, 1022, 1533, 2044, 3066, 3571, 6132, 7142, 10713, 14284, 21426, 24997, 42852, 49994, 74991, 99988, 149982, 260683, 299964, 521366, 782049, 1042732, 1564098, 1824781, 3128196, 3649562, 5474343, 7299124, 10948686, 21897372]

約数ペア:

[(1, 21897372), (2, 10948686), (3, 7299124), (4, 5474343), (6, 3649562), (7, 3128196), (12, 1824781), (14, 1564098), (21, 1042732), (28, 782049), (42, 521366), (73, 299964), (84, 260683), (146, 149982), (219, 99988), (292, 74991), (438, 49994), (511, 42852), (876, 24997), (1022, 21426), (1533, 14284), (2044, 10713), (3066, 7142), (3571, 6132)]