21865990

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{37061}}^1$

素因数の和:37127

約数の個数: 16

約数和(自身を含む): 40026960

約数和(自身を除く): 18160970

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 37061, 74122, 185305, 370610, 2186599, 4373198, 10932995, 21865990]

約数ペア:

[(1, 21865990), (2, 10932995), (5, 4373198), (10, 2186599), (59, 370610), (118, 185305), (295, 74122), (590, 37061)]