21102564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251221}}^1$

素因数の和:251235

約数の個数: 24

約数和(自身を含む): 56273728

約数和(自身を除く): 35171164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251221, 502442, 753663, 1004884, 1507326, 1758547, 3014652, 3517094, 5275641, 7034188, 10551282, 21102564]

約数ペア:

[(1, 21102564), (2, 10551282), (3, 7034188), (4, 5275641), (6, 3517094), (7, 3014652), (12, 1758547), (14, 1507326), (21, 1004884), (28, 753663), (42, 502442), (84, 251221)]