21854922

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 26805558

約数列:

[1, 2, 3, 6, 23, 29, 43, 46, 58, 69, 86, 87, 127, 129, 138, 174, 254, 258, 381, 667, 762, 989, 1247, 1334, 1978, 2001, 2494, 2921, 2967, 3683, 3741, 4002, 5461, 5842, 5934, 7366, 7482, 8763, 10922, 11049, 16383, 17526, 22098, 28681, 32766, 57362, 84709, 86043, 125603, 158369, 169418, 172086, 251206, 254127, 316738, 376809, 475107, 508254, 753618, 950214, 3642487, 7284974, 10927461, 21854922]

約数ペア:

[(1, 21854922), (2, 10927461), (3, 7284974), (6, 3642487), (23, 950214), (29, 753618), (43, 508254), (46, 475107), (58, 376809), (69, 316738), (86, 254127), (87, 251206), (127, 172086), (129, 169418), (138, 158369), (174, 125603), (254, 86043), (258, 84709), (381, 57362), (667, 32766), (762, 28681), (989, 22098), (1247, 17526), (1334, 16383), (1978, 11049), (2001, 10922), (2494, 8763), (2921, 7482), (2967, 7366), (3683, 5934), (3741, 5842), (4002, 5461)]