21204978

素因数分解:

$2^1\times 3^1\times {\mathrm{227}}^1\times {\mathrm{15569}}^1$

素因数の和:15801

約数の個数: 16

約数和(自身を含む): 42599520

約数和(自身を除く): 21394542

約数列:

[1, 2, 3, 6, 227, 454, 681, 1362, 15569, 31138, 46707, 93414, 3534163, 7068326, 10602489, 21204978]

約数ペア:

[(1, 21204978), (2, 10602489), (3, 7068326), (6, 3534163), (227, 93414), (454, 46707), (681, 31138), (1362, 15569)]