21447378

素因数分解:

$2^1\times 3^2\times {\mathrm{359}}^1\times {\mathrm{3319}}^1$

素因数の和:3686

約数の個数: 24

約数和(自身を含む): 46612800

約数和(自身を除く): 25165422

約数列:

[1, 2, 3, 6, 9, 18, 359, 718, 1077, 2154, 3231, 3319, 6462, 6638, 9957, 19914, 29871, 59742, 1191521, 2383042, 3574563, 7149126, 10723689, 21447378]

約数ペア:

[(1, 21447378), (2, 10723689), (3, 7149126), (6, 3574563), (9, 2383042), (18, 1191521), (359, 59742), (718, 29871), (1077, 19914), (2154, 9957), (3231, 6638), (3319, 6462)]