21863361

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1487}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 32676480

約数和(自身を除く): 10813119

約数列:

[1, 3, 13, 29, 39, 87, 169, 377, 507, 1131, 1487, 4461, 4901, 14703, 19331, 43123, 57993, 129369, 251303, 560599, 753909, 1681797, 7287787, 21863361]

約数ペア:

[(1, 21863361), (3, 7287787), (13, 1681797), (29, 753909), (39, 560599), (87, 251303), (169, 129369), (377, 57993), (507, 43123), (1131, 19331), (1487, 14703), (4461, 4901)]