21326554

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1487}}^1$

素因数の和:1661

約数の個数: 16

約数和(自身を含む): 32783616

約数和(自身を除く): 11457062

約数列:

[1, 2, 71, 101, 142, 202, 1487, 2974, 7171, 14342, 105577, 150187, 211154, 300374, 10663277, 21326554]

約数ペア:

[(1, 21326554), (2, 10663277), (71, 300374), (101, 211154), (142, 150187), (202, 105577), (1487, 14342), (2974, 7171)]