21001956

素因数分解:

$2^2\times 3^1\times {\mathrm{419}}^1\times {\mathrm{4177}}^1$

素因数の和:4603

約数の個数: 24

約数和(自身を含む): 49133280

約数和(自身を除く): 28131324

約数列:

[1, 2, 3, 4, 6, 12, 419, 838, 1257, 1676, 2514, 4177, 5028, 8354, 12531, 16708, 25062, 50124, 1750163, 3500326, 5250489, 7000652, 10500978, 21001956]

約数ペア:

[(1, 21001956), (2, 10500978), (3, 7000652), (4, 5250489), (6, 3500326), (12, 1750163), (419, 50124), (838, 25062), (1257, 16708), (1676, 12531), (2514, 8354), (4177, 5028)]