21096688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2393}}^1$

素因数の和:2449

約数の個数: 40

約数和(自身を含む): 44528400

約数和(自身を除く): 23431712

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 2393, 4408, 4786, 8816, 9572, 19144, 38288, 45467, 69397, 90934, 138794, 181868, 277588, 363736, 555176, 727472, 1110352, 1318543, 2637086, 5274172, 10548344, 21096688]

約数ペア:

[(1, 21096688), (2, 10548344), (4, 5274172), (8, 2637086), (16, 1318543), (19, 1110352), (29, 727472), (38, 555176), (58, 363736), (76, 277588), (116, 181868), (152, 138794), (232, 90934), (304, 69397), (464, 45467), (551, 38288), (1102, 19144), (2204, 9572), (2393, 8816), (4408, 4786)]