21966690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10313}}^1$

素因数の和:10394

約数の個数: 32

約数和(自身を含む): 53467776

約数和(自身を除く): 31501086

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 10313, 20626, 30939, 51565, 61878, 103130, 154695, 309390, 732223, 1464446, 2196669, 3661115, 4393338, 7322230, 10983345, 21966690]

約数ペア:

[(1, 21966690), (2, 10983345), (3, 7322230), (5, 4393338), (6, 3661115), (10, 2196669), (15, 1464446), (30, 732223), (71, 309390), (142, 154695), (213, 103130), (355, 61878), (426, 51565), (710, 30939), (1065, 20626), (2130, 10313)]