21913652

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2237}}^1$

素因数の和:2351

約数の個数: 24

約数和(自身を含む): 40104960

約数和(自身を除く): 18191308

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 2237, 2449, 4474, 4898, 8948, 9796, 69347, 138694, 176723, 277388, 353446, 706892, 5478413, 10956826, 21913652]

約数ペア:

[(1, 21913652), (2, 10956826), (4, 5478413), (31, 706892), (62, 353446), (79, 277388), (124, 176723), (158, 138694), (316, 69347), (2237, 9796), (2449, 8948), (4474, 4898)]