21314286

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 54720000

約数和(自身を除く): 33405714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 113, 126, 189, 226, 339, 378, 499, 678, 791, 998, 1017, 1497, 1582, 2034, 2373, 2994, 3051, 3493, 4491, 4746, 6102, 6986, 7119, 8982, 10479, 13473, 14238, 20958, 21357, 26946, 31437, 42714, 56387, 62874, 94311, 112774, 169161, 188622, 338322, 394709, 507483, 789418, 1014966, 1184127, 1522449, 2368254, 3044898, 3552381, 7104762, 10657143, 21314286]

約数ペア:

[(1, 21314286), (2, 10657143), (3, 7104762), (6, 3552381), (7, 3044898), (9, 2368254), (14, 1522449), (18, 1184127), (21, 1014966), (27, 789418), (42, 507483), (54, 394709), (63, 338322), (113, 188622), (126, 169161), (189, 112774), (226, 94311), (339, 62874), (378, 56387), (499, 42714), (678, 31437), (791, 26946), (998, 21357), (1017, 20958), (1497, 14238), (1582, 13473), (2034, 10479), (2373, 8982), (2994, 7119), (3051, 6986), (3493, 6102), (4491, 4746)]