21121384080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88005767}}^1$

素因数の和:88005783

約数の個数: 40

約数和(自身を含む): 65476291392

約数和(自身を除く): 44354907312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88005767, 176011534, 264017301, 352023068, 440028835, 528034602, 704046136, 880057670, 1056069204, 1320086505, 1408092272, 1760115340, 2112138408, 2640173010, 3520230680, 4224276816, 5280346020, 7040461360, 10560692040, 21121384080]

約数ペア:

[(1, 21121384080), (2, 10560692040), (3, 7040461360), (4, 5280346020), (5, 4224276816), (6, 3520230680), (8, 2640173010), (10, 2112138408), (12, 1760115340), (15, 1408092272), (16, 1320086505), (20, 1056069204), (24, 880057670), (30, 704046136), (40, 528034602), (48, 440028835), (60, 352023068), (80, 264017301), (120, 176011534), (240, 88005767)]