21030246

素因数分解:

$2^1\times 3^3\times {\mathrm{191}}^1\times {\mathrm{2039}}^1$

素因数の和:2241

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 25971354

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 191, 382, 573, 1146, 1719, 2039, 3438, 4078, 5157, 6117, 10314, 12234, 18351, 36702, 55053, 110106, 389449, 778898, 1168347, 2336694, 3505041, 7010082, 10515123, 21030246]

約数ペア:

[(1, 21030246), (2, 10515123), (3, 7010082), (6, 3505041), (9, 2336694), (18, 1168347), (27, 778898), (54, 389449), (191, 110106), (382, 55053), (573, 36702), (1146, 18351), (1719, 12234), (2039, 10314), (3438, 6117), (4078, 5157)]