21728688

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 58767072

約数和(自身を除く): 37038384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 61, 82, 122, 123, 164, 181, 183, 244, 246, 328, 362, 366, 488, 492, 543, 656, 724, 732, 976, 984, 1086, 1448, 1464, 1968, 2172, 2501, 2896, 2928, 4344, 5002, 7421, 7503, 8688, 10004, 11041, 14842, 15006, 20008, 22082, 22263, 29684, 30012, 33123, 40016, 44164, 44526, 59368, 60024, 66246, 88328, 89052, 118736, 120048, 132492, 176656, 178104, 264984, 356208, 452681, 529968, 905362, 1358043, 1810724, 2716086, 3621448, 5432172, 7242896, 10864344, 21728688]

約数ペア:

[(1, 21728688), (2, 10864344), (3, 7242896), (4, 5432172), (6, 3621448), (8, 2716086), (12, 1810724), (16, 1358043), (24, 905362), (41, 529968), (48, 452681), (61, 356208), (82, 264984), (122, 178104), (123, 176656), (164, 132492), (181, 120048), (183, 118736), (244, 89052), (246, 88328), (328, 66246), (362, 60024), (366, 59368), (488, 44526), (492, 44164), (543, 40016), (656, 33123), (724, 30012), (732, 29684), (976, 22263), (984, 22082), (1086, 20008), (1448, 15006), (1464, 14842), (1968, 11041), (2172, 10004), (2501, 8688), (2896, 7503), (2928, 7421), (4344, 5002)]