21332350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 43934688

約数和(自身を除く): 22602338

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 185, 325, 370, 481, 650, 887, 925, 962, 1774, 1850, 2405, 4435, 4810, 8870, 11531, 12025, 22175, 23062, 24050, 32819, 44350, 57655, 65638, 115310, 164095, 288275, 328190, 426647, 576550, 820475, 853294, 1640950, 2133235, 4266470, 10666175, 21332350]

約数ペア:

[(1, 21332350), (2, 10666175), (5, 4266470), (10, 2133235), (13, 1640950), (25, 853294), (26, 820475), (37, 576550), (50, 426647), (65, 328190), (74, 288275), (130, 164095), (185, 115310), (325, 65638), (370, 57655), (481, 44350), (650, 32819), (887, 24050), (925, 23062), (962, 22175), (1774, 12025), (1850, 11531), (2405, 8870), (4435, 4810)]