20210428

素因数分解:

$2^2\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1201}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 40521824

約数和(自身を除く): 20311396

約数列:

[1, 2, 4, 7, 14, 28, 601, 1201, 1202, 2402, 2404, 4207, 4804, 8407, 8414, 16814, 16828, 33628, 721801, 1443602, 2887204, 5052607, 10105214, 20210428]

約数ペア:

[(1, 20210428), (2, 10105214), (4, 5052607), (7, 2887204), (14, 1443602), (28, 721801), (601, 33628), (1201, 16828), (1202, 16814), (2402, 8414), (2404, 8407), (4207, 4804)]