21845763

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 33999680

約数和(自身を除く): 12153917

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 2971, 7353, 8913, 26739, 56449, 127753, 169347, 383259, 508041, 1149777, 2427307, 7281921, 21845763]

約数ペア:

[(1, 21845763), (3, 7281921), (9, 2427307), (19, 1149777), (43, 508041), (57, 383259), (129, 169347), (171, 127753), (387, 56449), (817, 26739), (2451, 8913), (2971, 7353)]