21735378

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{6389}}^1$

素因数の和:6413

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 34087662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 6389, 12778, 19167, 38334, 44723, 57501, 89446, 115002, 134169, 172503, 268338, 345006, 402507, 517509, 805014, 1035018, 1207521, 1552527, 2415042, 3105054, 3622563, 7245126, 10867689, 21735378]

約数ペア:

[(1, 21735378), (2, 10867689), (3, 7245126), (6, 3622563), (7, 3105054), (9, 2415042), (14, 1552527), (18, 1207521), (21, 1035018), (27, 805014), (42, 517509), (54, 402507), (63, 345006), (81, 268338), (126, 172503), (162, 134169), (189, 115002), (243, 89446), (378, 57501), (486, 44723), (567, 38334), (1134, 19167), (1701, 12778), (3402, 6389)]