21197796

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41081}}^1$

素因数の和:41131

約数の個数: 24

約数和(自身を含む): 50613024

約数和(自身を除く): 29415228

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41081, 82162, 123243, 164324, 246486, 492972, 1766483, 3532966, 5299449, 7065932, 10598898, 21197796]

約数ペア:

[(1, 21197796), (2, 10598898), (3, 7065932), (4, 5299449), (6, 3532966), (12, 1766483), (43, 492972), (86, 246486), (129, 164324), (172, 123243), (258, 82162), (516, 41081)]