21000751212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250008943}}^1$

素因数の和:250008957

約数の個数: 24

約数和(自身を含む): 56002003456

約数和(自身を除く): 35001252244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250008943, 500017886, 750026829, 1000035772, 1500053658, 1750062601, 3000107316, 3500125202, 5250187803, 7000250404, 10500375606, 21000751212]

約数ペア:

[(1, 21000751212), (2, 10500375606), (3, 7000250404), (4, 5250187803), (6, 3500125202), (7, 3000107316), (12, 1750062601), (14, 1500053658), (21, 1000035772), (28, 750026829), (42, 500017886), (84, 250008943)]