21037060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8693}}^1$

素因数の和:8724

約数の個数: 36

約数和(自身を含む): 48564684

約数和(自身を除く): 27527624

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8693, 17386, 34772, 43465, 86930, 95623, 173860, 191246, 382492, 478115, 956230, 1051853, 1912460, 2103706, 4207412, 5259265, 10518530, 21037060]

約数ペア:

[(1, 21037060), (2, 10518530), (4, 5259265), (5, 4207412), (10, 2103706), (11, 1912460), (20, 1051853), (22, 956230), (44, 478115), (55, 382492), (110, 191246), (121, 173860), (220, 95623), (242, 86930), (484, 43465), (605, 34772), (1210, 17386), (2420, 8693)]