21357579552011

素因数分解:

${\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{2663}}^1\times {\mathrm{2797391}}^1$

素因数の和:2800162

約数の個数: 16

約数和(自身を含む): 22177902809088

約数和(自身を除く): 820323257077

約数列:

[1, 47, 61, 2663, 2867, 125161, 162443, 2797391, 7634821, 131477377, 170640851, 7449452233, 8020119997, 350124254951, 454416586213, 21357579552011]

約数ペア:

[(1, 21357579552011), (47, 454416586213), (61, 350124254951), (2663, 8020119997), (2867, 7449452233), (125161, 170640851), (162443, 131477377), (2797391, 7634821)]