21006987132

素因数分解:

$2^2\times 3^1\times {\mathrm{6763}}^1\times {\mathrm{258847}}^1$

素因数の和:265617

約数の個数: 24

約数和(自身を含む): 49023740416

約数和(自身を除く): 28016753284

約数列:

[1, 2, 3, 4, 6, 12, 6763, 13526, 20289, 27052, 40578, 81156, 258847, 517694, 776541, 1035388, 1553082, 3106164, 1750582261, 3501164522, 5251746783, 7002329044, 10503493566, 21006987132]

約数ペア:

[(1, 21006987132), (2, 10503493566), (3, 7002329044), (4, 5251746783), (6, 3501164522), (12, 1750582261), (6763, 3106164), (13526, 1553082), (20289, 1035388), (27052, 776541), (40578, 517694), (81156, 258847)]