21762724

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 38763648

約数和(自身を除く): 17000924

約数列:

[1, 2, 4, 137, 151, 263, 274, 302, 526, 548, 604, 1052, 20687, 36031, 39713, 41374, 72062, 79426, 82748, 144124, 158852, 5440681, 10881362, 21762724]

約数ペア:

[(1, 21762724), (2, 10881362), (4, 5440681), (137, 158852), (151, 144124), (263, 82748), (274, 79426), (302, 72062), (526, 41374), (548, 39713), (604, 36031), (1052, 20687)]