21814750

素因数分解:

$2^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 41446080

約数和(自身を除く): 19631330

約数列:

[1, 2, 5, 10, 25, 50, 71, 125, 142, 250, 355, 710, 1229, 1775, 2458, 3550, 6145, 8875, 12290, 17750, 30725, 61450, 87259, 153625, 174518, 307250, 436295, 872590, 2181475, 4362950, 10907375, 21814750]

約数ペア:

[(1, 21814750), (2, 10907375), (5, 4362950), (10, 2181475), (25, 872590), (50, 436295), (71, 307250), (125, 174518), (142, 153625), (250, 87259), (355, 61450), (710, 30725), (1229, 17750), (1775, 12290), (2458, 8875), (3550, 6145)]