21171914

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 13820086

約数列:

[1, 2, 23, 29, 46, 58, 59, 118, 269, 538, 667, 1334, 1357, 1711, 2714, 3422, 6187, 7801, 12374, 15602, 15871, 31742, 39353, 78706, 179423, 358846, 365033, 460259, 730066, 920518, 10585957, 21171914]

約数ペア:

[(1, 21171914), (2, 10585957), (23, 920518), (29, 730066), (46, 460259), (58, 365033), (59, 358846), (118, 179423), (269, 78706), (538, 39353), (667, 31742), (1334, 15871), (1357, 15602), (1711, 12374), (2714, 7801), (3422, 6187)]