21322356

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{991}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 54663168

約数和(自身を除く): 33340812

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 163, 326, 489, 652, 978, 991, 1793, 1956, 1982, 2973, 3586, 3964, 5379, 5946, 7172, 10758, 10901, 11892, 21516, 21802, 32703, 43604, 65406, 130812, 161533, 323066, 484599, 646132, 969198, 1776863, 1938396, 3553726, 5330589, 7107452, 10661178, 21322356]

約数ペア:

[(1, 21322356), (2, 10661178), (3, 7107452), (4, 5330589), (6, 3553726), (11, 1938396), (12, 1776863), (22, 969198), (33, 646132), (44, 484599), (66, 323066), (132, 161533), (163, 130812), (326, 65406), (489, 43604), (652, 32703), (978, 21802), (991, 21516), (1793, 11892), (1956, 10901), (1982, 10758), (2973, 7172), (3586, 5946), (3964, 5379)]