21296040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177467}}^1$

素因数の和:177481

約数の個数: 32

約数和(自身を含む): 63888480

約数和(自身を除く): 42592440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177467, 354934, 532401, 709868, 887335, 1064802, 1419736, 1774670, 2129604, 2662005, 3549340, 4259208, 5324010, 7098680, 10648020, 21296040]

約数ペア:

[(1, 21296040), (2, 10648020), (3, 7098680), (4, 5324010), (5, 4259208), (6, 3549340), (8, 2662005), (10, 2129604), (12, 1774670), (15, 1419736), (20, 1064802), (24, 887335), (30, 709868), (40, 532401), (60, 354934), (120, 177467)]