21001224

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{11987}}^1$

素因数の和:12069

約数の個数: 32

約数和(自身を含む): 53226720

約数和(自身を除く): 32225496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 11987, 23974, 35961, 47948, 71922, 95896, 143844, 287688, 875051, 1750102, 2625153, 3500204, 5250306, 7000408, 10500612, 21001224]

約数ペア:

[(1, 21001224), (2, 10500612), (3, 7000408), (4, 5250306), (6, 3500204), (8, 2625153), (12, 1750102), (24, 875051), (73, 287688), (146, 143844), (219, 95896), (292, 71922), (438, 47948), (584, 35961), (876, 23974), (1752, 11987)]