21309660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118387}}^1$

素因数の和:118402

約数の個数: 36

約数和(自身を含む): 64639848

約数和(自身を除く): 43330188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118387, 236774, 355161, 473548, 591935, 710322, 1065483, 1183870, 1420644, 1775805, 2130966, 2367740, 3551610, 4261932, 5327415, 7103220, 10654830, 21309660]

約数ペア:

[(1, 21309660), (2, 10654830), (3, 7103220), (4, 5327415), (5, 4261932), (6, 3551610), (9, 2367740), (10, 2130966), (12, 1775805), (15, 1420644), (18, 1183870), (20, 1065483), (30, 710322), (36, 591935), (45, 473548), (60, 355161), (90, 236774), (180, 118387)]