21904844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1889}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 41489280

約数和(自身を除く): 19584436

約数列:

[1, 2, 4, 13, 26, 52, 223, 446, 892, 1889, 2899, 3778, 5798, 7556, 11596, 24557, 49114, 98228, 421247, 842494, 1684988, 5476211, 10952422, 21904844]

約数ペア:

[(1, 21904844), (2, 10952422), (4, 5476211), (13, 1684988), (26, 842494), (52, 421247), (223, 98228), (446, 49114), (892, 24557), (1889, 11596), (2899, 7556), (3778, 5798)]