21132690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13291}}^1$

素因数の和:13354

約数の個数: 32

約数和(自身を含む): 51679296

約数和(自身を除く): 30546606

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13291, 26582, 39873, 66455, 79746, 132910, 199365, 398730, 704423, 1408846, 2113269, 3522115, 4226538, 7044230, 10566345, 21132690]

約数ペア:

[(1, 21132690), (2, 10566345), (3, 7044230), (5, 4226538), (6, 3522115), (10, 2113269), (15, 1408846), (30, 704423), (53, 398730), (106, 199365), (159, 132910), (265, 79746), (318, 66455), (530, 39873), (795, 26582), (1590, 13291)]