21117572

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24329}}^1$

素因数の和:24371

約数の個数: 24

約数和(自身を含む): 43599360

約数和(自身を除く): 22481788

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24329, 48658, 97316, 170303, 340606, 681212, 754199, 1508398, 3016796, 5279393, 10558786, 21117572]

約数ペア:

[(1, 21117572), (2, 10558786), (4, 5279393), (7, 3016796), (14, 1508398), (28, 754199), (31, 681212), (62, 340606), (124, 170303), (217, 97316), (434, 48658), (868, 24329)]