21376470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3617}}^1$

素因数の和:3824

約数の個数: 32

約数和(自身を含む): 51578208

約数和(自身を除く): 30201738

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2955, 3617, 5910, 7234, 10851, 18085, 21702, 36170, 54255, 108510, 712549, 1425098, 2137647, 3562745, 4275294, 7125490, 10688235, 21376470]

約数ペア:

[(1, 21376470), (2, 10688235), (3, 7125490), (5, 4275294), (6, 3562745), (10, 2137647), (15, 1425098), (30, 712549), (197, 108510), (394, 54255), (591, 36170), (985, 21702), (1182, 18085), (1970, 10851), (2955, 7234), (3617, 5910)]