21150848

素因数分解:

$2^7\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 42457500

約数和(自身を除く): 21306652

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 298, 596, 1109, 1192, 2218, 2384, 4436, 4768, 8872, 9536, 17744, 19072, 35488, 70976, 141952, 165241, 330482, 660964, 1321928, 2643856, 5287712, 10575424, 21150848]

約数ペア:

[(1, 21150848), (2, 10575424), (4, 5287712), (8, 2643856), (16, 1321928), (32, 660964), (64, 330482), (128, 165241), (149, 141952), (298, 70976), (596, 35488), (1109, 19072), (1192, 17744), (2218, 9536), (2384, 8872), (4436, 4768)]