21047118

素因数分解:

$2^1\times 3^1\times {\mathrm{607}}^1\times {\mathrm{5779}}^1$

素因数の和:6391

約数の個数: 16

約数和(自身を含む): 42170880

約数和(自身を除く): 21123762

約数列:

[1, 2, 3, 6, 607, 1214, 1821, 3642, 5779, 11558, 17337, 34674, 3507853, 7015706, 10523559, 21047118]

約数ペア:

[(1, 21047118), (2, 10523559), (3, 7015706), (6, 3507853), (607, 34674), (1214, 17337), (1821, 11558), (3642, 5779)]