21081042

素因数分解:

$2^1\times 3^2\times {\mathrm{853}}^1\times {\mathrm{1373}}^1$

素因数の和:2234

約数の個数: 24

約数和(自身を含む): 45762444

約数和(自身を除く): 24681402

約数列:

[1, 2, 3, 6, 9, 18, 853, 1373, 1706, 2559, 2746, 4119, 5118, 7677, 8238, 12357, 15354, 24714, 1171169, 2342338, 3513507, 7027014, 10540521, 21081042]

約数ペア:

[(1, 21081042), (2, 10540521), (3, 7027014), (6, 3513507), (9, 2342338), (18, 1171169), (853, 24714), (1373, 15354), (1706, 12357), (2559, 8238), (2746, 7677), (4119, 5118)]