21299490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78887}}^1$

素因数の和:78903

約数の個数: 32

約数和(自身を含む): 56799360

約数和(自身を除く): 35499870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78887, 157774, 236661, 394435, 473322, 709983, 788870, 1183305, 1419966, 2129949, 2366610, 3549915, 4259898, 7099830, 10649745, 21299490]

約数ペア:

[(1, 21299490), (2, 10649745), (3, 7099830), (5, 4259898), (6, 3549915), (9, 2366610), (10, 2129949), (15, 1419966), (18, 1183305), (27, 788870), (30, 709983), (45, 473322), (54, 394435), (90, 236661), (135, 157774), (270, 78887)]