21926710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1117}}^1$

素因数の和:1288

約数の個数: 32

約数和(自身を含む): 42823872

約数和(自身を除く): 20897162

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1117, 1510, 1963, 2234, 3926, 5585, 9815, 11170, 14521, 19630, 29042, 72605, 145210, 168667, 337334, 843335, 1686670, 2192671, 4385342, 10963355, 21926710]

約数ペア:

[(1, 21926710), (2, 10963355), (5, 4385342), (10, 2192671), (13, 1686670), (26, 843335), (65, 337334), (130, 168667), (151, 145210), (302, 72605), (755, 29042), (1117, 19630), (1510, 14521), (1963, 11170), (2234, 9815), (3926, 5585)]