21735468

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 59259200

約数和(自身を除く): 37523732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 684, 739, 774, 817, 1478, 1548, 1634, 2217, 2451, 2956, 3268, 4434, 4902, 6651, 7353, 8868, 9804, 13302, 14041, 14706, 26604, 28082, 29412, 31777, 42123, 56164, 63554, 84246, 95331, 126369, 127108, 168492, 190662, 252738, 285993, 381324, 505476, 571986, 603763, 1143972, 1207526, 1811289, 2415052, 3622578, 5433867, 7245156, 10867734, 21735468]

約数ペア:

[(1, 21735468), (2, 10867734), (3, 7245156), (4, 5433867), (6, 3622578), (9, 2415052), (12, 1811289), (18, 1207526), (19, 1143972), (36, 603763), (38, 571986), (43, 505476), (57, 381324), (76, 285993), (86, 252738), (114, 190662), (129, 168492), (171, 127108), (172, 126369), (228, 95331), (258, 84246), (342, 63554), (387, 56164), (516, 42123), (684, 31777), (739, 29412), (774, 28082), (817, 26604), (1478, 14706), (1548, 14041), (1634, 13302), (2217, 9804), (2451, 8868), (2956, 7353), (3268, 6651), (4434, 4902)]