21504870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{238943}}^1$

素因数の和:238956

約数の個数: 24

約数和(自身を含む): 55912896

約数和(自身を除く): 34408026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 238943, 477886, 716829, 1194715, 1433658, 2150487, 2389430, 3584145, 4300974, 7168290, 10752435, 21504870]

約数ペア:

[(1, 21504870), (2, 10752435), (3, 7168290), (5, 4300974), (6, 3584145), (9, 2389430), (10, 2150487), (15, 1433658), (18, 1194715), (30, 716829), (45, 477886), (90, 238943)]