21963330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{881}}^1$

素因数の和:1171

約数の個数: 48

約数和(自身を含む): 57375864

約数和(自身を除く): 35412534

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 277, 554, 831, 881, 1385, 1662, 1762, 2493, 2643, 2770, 4155, 4405, 4986, 5286, 7929, 8310, 8810, 12465, 13215, 15858, 24930, 26430, 39645, 79290, 244037, 488074, 732111, 1220185, 1464222, 2196333, 2440370, 3660555, 4392666, 7321110, 10981665, 21963330]

約数ペア:

[(1, 21963330), (2, 10981665), (3, 7321110), (5, 4392666), (6, 3660555), (9, 2440370), (10, 2196333), (15, 1464222), (18, 1220185), (30, 732111), (45, 488074), (90, 244037), (277, 79290), (554, 39645), (831, 26430), (881, 24930), (1385, 15858), (1662, 13215), (1762, 12465), (2493, 8810), (2643, 8310), (2770, 7929), (4155, 5286), (4405, 4986)]