21604726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{75541}}^1$

素因数の和:75567

約数の個数: 16

約数和(自身を含む): 38073168

約数和(自身を除く): 16468442

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 75541, 151082, 830951, 982033, 1661902, 1964066, 10802363, 21604726]

約数ペア:

[(1, 21604726), (2, 10802363), (11, 1964066), (13, 1661902), (22, 982033), (26, 830951), (143, 151082), (286, 75541)]