21298069

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 25393760

約数和(自身を除く): 4095691

約数列:

[1, 13, 19, 23, 163, 247, 299, 437, 529, 2119, 3097, 3749, 5681, 6877, 10051, 40261, 48737, 71231, 86227, 130663, 926003, 1120951, 1638313, 21298069]

約数ペア:

[(1, 21298069), (13, 1638313), (19, 1120951), (23, 926003), (163, 130663), (247, 86227), (299, 71231), (437, 48737), (529, 40261), (2119, 10051), (3097, 6877), (3749, 5681)]