21122788

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{863}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 17342492

約数列:

[1, 2, 4, 29, 58, 116, 211, 422, 844, 863, 1726, 3452, 6119, 12238, 24476, 25027, 50054, 100108, 182093, 364186, 728372, 5280697, 10561394, 21122788]

約数ペア:

[(1, 21122788), (2, 10561394), (4, 5280697), (29, 728372), (58, 364186), (116, 182093), (211, 100108), (422, 50054), (844, 25027), (863, 24476), (1726, 12238), (3452, 6119)]