21188542

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{1409}}^1$

素因数の和:1587

約数の個数: 16

約数和(自身を含む): 32554080

約数和(自身を除く): 11365538

約数列:

[1, 2, 73, 103, 146, 206, 1409, 2818, 7519, 15038, 102857, 145127, 205714, 290254, 10594271, 21188542]

約数ペア:

[(1, 21188542), (2, 10594271), (73, 290254), (103, 205714), (146, 145127), (206, 102857), (1409, 15038), (2818, 7519)]