21160624

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{16741}}^1$

素因数の和:16828

約数の個数: 20

約数和(自身を含む): 41520160

約数和(自身を除く): 20359536

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 16741, 33482, 66964, 133928, 267856, 1322539, 2645078, 5290156, 10580312, 21160624]

約数ペア:

[(1, 21160624), (2, 10580312), (4, 5290156), (8, 2645078), (16, 1322539), (79, 267856), (158, 133928), (316, 66964), (632, 33482), (1264, 16741)]