21002700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{70009}}^1$

素因数の和:70026

約数の個数: 36

約数和(自身を含む): 60768680

約数和(自身を除く): 39765980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 70009, 140018, 210027, 280036, 350045, 420054, 700090, 840108, 1050135, 1400180, 1750225, 2100270, 3500450, 4200540, 5250675, 7000900, 10501350, 21002700]

約数ペア:

[(1, 21002700), (2, 10501350), (3, 7000900), (4, 5250675), (5, 4200540), (6, 3500450), (10, 2100270), (12, 1750225), (15, 1400180), (20, 1050135), (25, 840108), (30, 700090), (50, 420054), (60, 350045), (75, 280036), (100, 210027), (150, 140018), (300, 70009)]