21579448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5981}}^1$

素因数の和:6039

約数の個数: 32

約数和(自身を含む): 45223920

約数和(自身を除く): 23644472

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5981, 11962, 23924, 47848, 65791, 131582, 245221, 263164, 490442, 526328, 980884, 1961768, 2697431, 5394862, 10789724, 21579448]

約数ペア:

[(1, 21579448), (2, 10789724), (4, 5394862), (8, 2697431), (11, 1961768), (22, 980884), (41, 526328), (44, 490442), (82, 263164), (88, 245221), (164, 131582), (328, 65791), (451, 47848), (902, 23924), (1804, 11962), (3608, 5981)]