21639018

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{59123}}^1$

素因数の和:59189

約数の個数: 16

約数和(自身を含む): 43988256

約数和(自身を除く): 22349238

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 59123, 118246, 177369, 354738, 3606503, 7213006, 10819509, 21639018]

約数ペア:

[(1, 21639018), (2, 10819509), (3, 7213006), (6, 3606503), (61, 354738), (122, 177369), (183, 118246), (366, 59123)]