21909732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 57360576

約数和(自身を除く): 35450844

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 167, 174, 334, 348, 377, 501, 668, 754, 841, 1002, 1131, 1508, 1682, 2004, 2171, 2262, 2523, 3364, 4342, 4524, 4843, 5046, 6513, 8684, 9686, 10092, 10933, 13026, 14529, 19372, 21866, 26052, 29058, 32799, 43732, 58116, 62959, 65598, 125918, 131196, 140447, 188877, 251836, 280894, 377754, 421341, 561788, 755508, 842682, 1685364, 1825811, 3651622, 5477433, 7303244, 10954866, 21909732]

約数ペア:

[(1, 21909732), (2, 10954866), (3, 7303244), (4, 5477433), (6, 3651622), (12, 1825811), (13, 1685364), (26, 842682), (29, 755508), (39, 561788), (52, 421341), (58, 377754), (78, 280894), (87, 251836), (116, 188877), (156, 140447), (167, 131196), (174, 125918), (334, 65598), (348, 62959), (377, 58116), (501, 43732), (668, 32799), (754, 29058), (841, 26052), (1002, 21866), (1131, 19372), (1508, 14529), (1682, 13026), (2004, 10933), (2171, 10092), (2262, 9686), (2523, 8684), (3364, 6513), (4342, 5046), (4524, 4843)]