21353872

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3697}}^1$

素因数の和:3743

約数の個数: 30

約数和(自身を含む): 43677078

約数和(自身を除く): 22323206

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3697, 5776, 7394, 14788, 29576, 59152, 70243, 140486, 280972, 561944, 1123888, 1334617, 2669234, 5338468, 10676936, 21353872]

約数ペア:

[(1, 21353872), (2, 10676936), (4, 5338468), (8, 2669234), (16, 1334617), (19, 1123888), (38, 561944), (76, 280972), (152, 140486), (304, 70243), (361, 59152), (722, 29576), (1444, 14788), (2888, 7394), (3697, 5776)]