21837056

素因数分解:

$2^8\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 43911252

約数和(自身を除く): 22074196

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 256, 394, 433, 788, 866, 1576, 1732, 3152, 3464, 6304, 6928, 12608, 13856, 25216, 27712, 50432, 55424, 85301, 110848, 170602, 341204, 682408, 1364816, 2729632, 5459264, 10918528, 21837056]

約数ペア:

[(1, 21837056), (2, 10918528), (4, 5459264), (8, 2729632), (16, 1364816), (32, 682408), (64, 341204), (128, 170602), (197, 110848), (256, 85301), (394, 55424), (433, 50432), (788, 27712), (866, 25216), (1576, 13856), (1732, 12608), (3152, 6928), (3464, 6304)]