21061590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63823}}^1$

素因数の和:63844

約数の個数: 32

約数和(自身を含む): 55143936

約数和(自身を除く): 34082346

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63823, 127646, 191469, 319115, 382938, 638230, 702053, 957345, 1404106, 1914690, 2106159, 3510265, 4212318, 7020530, 10530795, 21061590]

約数ペア:

[(1, 21061590), (2, 10530795), (3, 7020530), (5, 4212318), (6, 3510265), (10, 2106159), (11, 1914690), (15, 1404106), (22, 957345), (30, 702053), (33, 638230), (55, 382938), (66, 319115), (110, 191469), (165, 127646), (330, 63823)]