21303212

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6733}}^1$

素因数の和:6857

約数の個数: 24

約数和(自身を含む): 42989856

約数和(自身を除く): 21686644

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6733, 13466, 26932, 47131, 94262, 188524, 760829, 1521658, 3043316, 5325803, 10651606, 21303212]

約数ペア:

[(1, 21303212), (2, 10651606), (4, 5325803), (7, 3043316), (14, 1521658), (28, 760829), (113, 188524), (226, 94262), (452, 47131), (791, 26932), (1582, 13466), (3164, 6733)]