21965996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10303}}^1$

素因数の和:10361

約数の個数: 24

約数和(自身を含む): 42411264

約数和(自身を除く): 20445268

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 10303, 20606, 41212, 133939, 267878, 422423, 535756, 844846, 1689692, 5491499, 10982998, 21965996]

約数ペア:

[(1, 21965996), (2, 10982998), (4, 5491499), (13, 1689692), (26, 844846), (41, 535756), (52, 422423), (82, 267878), (164, 133939), (533, 41212), (1066, 20606), (2132, 10303)]