21166572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251983}}^1$

素因数の和:251997

約数の個数: 24

約数和(自身を含む): 56444416

約数和(自身を除く): 35277844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251983, 503966, 755949, 1007932, 1511898, 1763881, 3023796, 3527762, 5291643, 7055524, 10583286, 21166572]

約数ペア:

[(1, 21166572), (2, 10583286), (3, 7055524), (4, 5291643), (6, 3527762), (7, 3023796), (12, 1763881), (14, 1511898), (21, 1007932), (28, 755949), (42, 503966), (84, 251983)]