21265084

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2711}}^1$

素因数の和:2805

約数の個数: 24

約数和(自身を含む): 38955168

約数和(自身を除く): 17690084

約数列:

[1, 2, 4, 37, 53, 74, 106, 148, 212, 1961, 2711, 3922, 5422, 7844, 10844, 100307, 143683, 200614, 287366, 401228, 574732, 5316271, 10632542, 21265084]

約数ペア:

[(1, 21265084), (2, 10632542), (4, 5316271), (37, 574732), (53, 401228), (74, 287366), (106, 200614), (148, 143683), (212, 100307), (1961, 10844), (2711, 7844), (3922, 5422)]