21092390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191749}}^1$

素因数の和:191767

約数の個数: 16

約数和(自身を含む): 41418000

約数和(自身を除く): 20325610

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191749, 383498, 958745, 1917490, 2109239, 4218478, 10546195, 21092390]

約数ペア:

[(1, 21092390), (2, 10546195), (5, 4218478), (10, 2109239), (11, 1917490), (22, 958745), (55, 383498), (110, 191749)]