21004232

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 19387768

約数列:

[1, 2, 4, 8, 67, 134, 149, 263, 268, 298, 526, 536, 596, 1052, 1192, 2104, 9983, 17621, 19966, 35242, 39187, 39932, 70484, 78374, 79864, 140968, 156748, 313496, 2625529, 5251058, 10502116, 21004232]

約数ペア:

[(1, 21004232), (2, 10502116), (4, 5251058), (8, 2625529), (67, 313496), (134, 156748), (149, 140968), (263, 79864), (268, 78374), (298, 70484), (526, 39932), (536, 39187), (596, 35242), (1052, 19966), (1192, 17621), (2104, 9983)]