21114933

素因数分解:

$3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 32941440

約数和(自身を除く): 11826507

約数列:

[1, 3, 7, 21, 49, 147, 239, 601, 717, 1673, 1803, 4207, 5019, 11711, 12621, 29449, 35133, 88347, 143639, 430917, 1005473, 3016419, 7038311, 21114933]

約数ペア:

[(1, 21114933), (3, 7038311), (7, 3016419), (21, 1005473), (49, 430917), (147, 143639), (239, 88347), (601, 35133), (717, 29449), (1673, 12621), (1803, 11711), (4207, 5019)]