21652345

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2753}}^1$

素因数の和:2793

約数の個数: 24

約数和(自身を含む): 30767688

約数和(自身を除く): 9115343

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 2753, 7865, 13765, 30283, 35789, 151415, 178945, 333113, 393679, 1665565, 1968395, 4330469, 21652345]

約数ペア:

[(1, 21652345), (5, 4330469), (11, 1968395), (13, 1665565), (55, 393679), (65, 333113), (121, 178945), (143, 151415), (605, 35789), (715, 30283), (1573, 13765), (2753, 7865)]