21266040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177217}}^1$

素因数の和:177231

約数の個数: 32

約数和(自身を含む): 63798480

約数和(自身を除く): 42532440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177217, 354434, 531651, 708868, 886085, 1063302, 1417736, 1772170, 2126604, 2658255, 3544340, 4253208, 5316510, 7088680, 10633020, 21266040]

約数ペア:

[(1, 21266040), (2, 10633020), (3, 7088680), (4, 5316510), (5, 4253208), (6, 3544340), (8, 2658255), (10, 2126604), (12, 1772170), (15, 1417736), (20, 1063302), (24, 886085), (30, 708868), (40, 531651), (60, 354434), (120, 177217)]