21019482

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2003}}^1$

素因数の和:2075

約数の個数: 48

約数和(自身を含む): 50645088

約数和(自身を除く): 29625606

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 53, 66, 99, 106, 159, 198, 318, 477, 583, 954, 1166, 1749, 2003, 3498, 4006, 5247, 6009, 10494, 12018, 18027, 22033, 36054, 44066, 66099, 106159, 132198, 198297, 212318, 318477, 396594, 636954, 955431, 1167749, 1910862, 2335498, 3503247, 7006494, 10509741, 21019482]

約数ペア:

[(1, 21019482), (2, 10509741), (3, 7006494), (6, 3503247), (9, 2335498), (11, 1910862), (18, 1167749), (22, 955431), (33, 636954), (53, 396594), (66, 318477), (99, 212318), (106, 198297), (159, 132198), (198, 106159), (318, 66099), (477, 44066), (583, 36054), (954, 22033), (1166, 18027), (1749, 12018), (2003, 10494), (3498, 6009), (4006, 5247)]