21178680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176489}}^1$

素因数の和:176503

約数の個数: 32

約数和(自身を含む): 63536400

約数和(自身を除く): 42357720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176489, 352978, 529467, 705956, 882445, 1058934, 1411912, 1764890, 2117868, 2647335, 3529780, 4235736, 5294670, 7059560, 10589340, 21178680]

約数ペア:

[(1, 21178680), (2, 10589340), (3, 7059560), (4, 5294670), (5, 4235736), (6, 3529780), (8, 2647335), (10, 2117868), (12, 1764890), (15, 1411912), (20, 1058934), (24, 882445), (30, 705956), (40, 529467), (60, 352978), (120, 176489)]