21103659536

素因数分解:

$2^4\times {\mathrm{2957}}^1\times {\mathrm{446053}}^1$

素因数の和:449018

約数の個数: 20

約数和(自身を含む): 40902259692

約数和(自身を除く): 19798600156

約数列:

[1, 2, 4, 8, 16, 2957, 5914, 11828, 23656, 47312, 446053, 892106, 1784212, 3568424, 7136848, 1318978721, 2637957442, 5275914884, 10551829768, 21103659536]

約数ペア:

[(1, 21103659536), (2, 10551829768), (4, 5275914884), (8, 2637957442), (16, 1318978721), (2957, 7136848), (5914, 3568424), (11828, 1784212), (23656, 892106), (47312, 446053)]