21297368

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2239}}^1$

素因数の和:2315

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21038632

約数列:

[1, 2, 4, 8, 29, 41, 58, 82, 116, 164, 232, 328, 1189, 2239, 2378, 4478, 4756, 8956, 9512, 17912, 64931, 91799, 129862, 183598, 259724, 367196, 519448, 734392, 2662171, 5324342, 10648684, 21297368]

約数ペア:

[(1, 21297368), (2, 10648684), (4, 5324342), (8, 2662171), (29, 734392), (41, 519448), (58, 367196), (82, 259724), (116, 183598), (164, 129862), (232, 91799), (328, 64931), (1189, 17912), (2239, 9512), (2378, 8956), (4478, 4756)]