22501990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{617}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 46453824

約数和(自身を除く): 23951834

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 521, 617, 1042, 1234, 2605, 3085, 3647, 4319, 5210, 6170, 7294, 8638, 18235, 21595, 36470, 43190, 321457, 642914, 1607285, 2250199, 3214570, 4500398, 11250995, 22501990]

約数ペア:

[(1, 22501990), (2, 11250995), (5, 4500398), (7, 3214570), (10, 2250199), (14, 1607285), (35, 642914), (70, 321457), (521, 43190), (617, 36470), (1042, 21595), (1234, 18235), (2605, 8638), (3085, 7294), (3647, 6170), (4319, 5210)]