21163482

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 48253920

約数和(自身を除く): 27090438

約数列:

[1, 2, 3, 6, 9, 18, 37, 43, 74, 86, 111, 129, 222, 258, 333, 387, 666, 739, 774, 1478, 1591, 2217, 3182, 4434, 4773, 6651, 9546, 13302, 14319, 27343, 28638, 31777, 54686, 63554, 82029, 95331, 164058, 190662, 246087, 285993, 492174, 571986, 1175749, 2351498, 3527247, 7054494, 10581741, 21163482]

約数ペア:

[(1, 21163482), (2, 10581741), (3, 7054494), (6, 3527247), (9, 2351498), (18, 1175749), (37, 571986), (43, 492174), (74, 285993), (86, 246087), (111, 190662), (129, 164058), (222, 95331), (258, 82029), (333, 63554), (387, 54686), (666, 31777), (739, 28638), (774, 27343), (1478, 14319), (1591, 13302), (2217, 9546), (3182, 6651), (4434, 4773)]