21300460

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1033}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 44817696

約数和(自身を除く): 23517236

約数列:

[1, 2, 4, 5, 10, 20, 1031, 1033, 2062, 2066, 4124, 4132, 5155, 5165, 10310, 10330, 20620, 20660, 1065023, 2130046, 4260092, 5325115, 10650230, 21300460]

約数ペア:

[(1, 21300460), (2, 10650230), (4, 5325115), (5, 4260092), (10, 2130046), (20, 1065023), (1031, 20660), (1033, 20620), (2062, 10330), (2066, 10310), (4124, 5165), (4132, 5155)]