21626943

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1511}}^1$

素因数の和:1894

約数の個数: 16

約数和(自身を含む): 31159296

約数和(自身を除く): 9532353

約数列:

[1, 3, 13, 39, 367, 1101, 1511, 4533, 4771, 14313, 19643, 58929, 554537, 1663611, 7208981, 21626943]

約数ペア:

[(1, 21626943), (3, 7208981), (13, 1663611), (39, 554537), (367, 58929), (1101, 19643), (1511, 14313), (4533, 4771)]