21516724

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{739}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 39160800

約数和(自身を除く): 17644076

約数列:

[1, 2, 4, 29, 58, 116, 251, 502, 739, 1004, 1478, 2956, 7279, 14558, 21431, 29116, 42862, 85724, 185489, 370978, 741956, 5379181, 10758362, 21516724]

約数ペア:

[(1, 21516724), (2, 10758362), (4, 5379181), (29, 741956), (58, 370978), (116, 185489), (251, 85724), (502, 42862), (739, 29116), (1004, 21431), (1478, 14558), (2956, 7279)]