21677848

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 44906400

約数和(自身を除く): 23228552

約数列:

[1, 2, 4, 8, 29, 41, 43, 53, 58, 82, 86, 106, 116, 164, 172, 212, 232, 328, 344, 424, 1189, 1247, 1537, 1763, 2173, 2279, 2378, 2494, 3074, 3526, 4346, 4558, 4756, 4988, 6148, 7052, 8692, 9116, 9512, 9976, 12296, 14104, 17384, 18232, 51127, 63017, 66091, 93439, 102254, 126034, 132182, 186878, 204508, 252068, 264364, 373756, 409016, 504136, 528728, 747512, 2709731, 5419462, 10838924, 21677848]

約数ペア:

[(1, 21677848), (2, 10838924), (4, 5419462), (8, 2709731), (29, 747512), (41, 528728), (43, 504136), (53, 409016), (58, 373756), (82, 264364), (86, 252068), (106, 204508), (116, 186878), (164, 132182), (172, 126034), (212, 102254), (232, 93439), (328, 66091), (344, 63017), (424, 51127), (1189, 18232), (1247, 17384), (1537, 14104), (1763, 12296), (2173, 9976), (2279, 9512), (2378, 9116), (2494, 8692), (3074, 7052), (3526, 6148), (4346, 4988), (4558, 4756)]