21525460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97843}}^1$

素因数の和:97863

約数の個数: 24

約数和(自身を含む): 49313376

約数和(自身を除く): 27787916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 97843, 195686, 391372, 489215, 978430, 1076273, 1956860, 2152546, 4305092, 5381365, 10762730, 21525460]

約数ペア:

[(1, 21525460), (2, 10762730), (4, 5381365), (5, 4305092), (10, 2152546), (11, 1956860), (20, 1076273), (22, 978430), (44, 489215), (55, 391372), (110, 195686), (220, 97843)]