21618832

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79481}}^1$

素因数の和:79506

約数の個数: 20

約数和(自身を含む): 44350956

約数和(自身を除く): 22732124

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79481, 158962, 317924, 635848, 1271696, 1351177, 2702354, 5404708, 10809416, 21618832]

約数ペア:

[(1, 21618832), (2, 10809416), (4, 5404708), (8, 2702354), (16, 1351177), (17, 1271696), (34, 635848), (68, 317924), (136, 158962), (272, 79481)]