21335595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2699}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15989205

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 2699, 7905, 8097, 13495, 40485, 45883, 83669, 137649, 229415, 251007, 418345, 688245, 1255035, 1422373, 4267119, 7111865, 21335595]

約数ペア:

[(1, 21335595), (3, 7111865), (5, 4267119), (15, 1422373), (17, 1255035), (31, 688245), (51, 418345), (85, 251007), (93, 229415), (155, 137649), (255, 83669), (465, 45883), (527, 40485), (1581, 13495), (2635, 8097), (2699, 7905)]