21196210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15937}}^1$

素因数の和:15970

約数の個数: 32

約数和(自身を含む): 45901440

約数和(自身を除く): 24705230

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15937, 31874, 79685, 111559, 159370, 223118, 302803, 557795, 605606, 1115590, 1514015, 2119621, 3028030, 4239242, 10598105, 21196210]

約数ペア:

[(1, 21196210), (2, 10598105), (5, 4239242), (7, 3028030), (10, 2119621), (14, 1514015), (19, 1115590), (35, 605606), (38, 557795), (70, 302803), (95, 223118), (133, 159370), (190, 111559), (266, 79685), (665, 31874), (1330, 15937)]