21891588

素因数分解:

$2^2\times 3^1\times {\mathrm{181}}^1\times {\mathrm{10079}}^1$

素因数の和:10267

約数の個数: 24

約数和(自身を含む): 51367680

約数和(自身を除く): 29476092

約数列:

[1, 2, 3, 4, 6, 12, 181, 362, 543, 724, 1086, 2172, 10079, 20158, 30237, 40316, 60474, 120948, 1824299, 3648598, 5472897, 7297196, 10945794, 21891588]

約数ペア:

[(1, 21891588), (2, 10945794), (3, 7297196), (4, 5472897), (6, 3648598), (12, 1824299), (181, 120948), (362, 60474), (543, 40316), (724, 30237), (1086, 20158), (2172, 10079)]