21296760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177473}}^1$

素因数の和:177487

約数の個数: 32

約数和(自身を含む): 63890640

約数和(自身を除く): 42593880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177473, 354946, 532419, 709892, 887365, 1064838, 1419784, 1774730, 2129676, 2662095, 3549460, 4259352, 5324190, 7098920, 10648380, 21296760]

約数ペア:

[(1, 21296760), (2, 10648380), (3, 7098920), (4, 5324190), (5, 4259352), (6, 3549460), (8, 2662095), (10, 2129676), (12, 1774730), (15, 1419784), (20, 1064838), (24, 887365), (30, 709892), (40, 532419), (60, 354946), (120, 177473)]