21904935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8641}}^1$

素因数の和:8675

約数の個数: 24

約数和(自身を含む): 37955664

約数和(自身を除く): 16050729

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8641, 25923, 43205, 112333, 129615, 336999, 561665, 1460329, 1684995, 4380987, 7301645, 21904935]

約数ペア:

[(1, 21904935), (3, 7301645), (5, 4380987), (13, 1684995), (15, 1460329), (39, 561665), (65, 336999), (169, 129615), (195, 112333), (507, 43205), (845, 25923), (2535, 8641)]