21755470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8599}}^1$

素因数の和:8640

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 22826930

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8599, 17198, 42995, 85990, 94589, 189178, 197777, 395554, 472945, 945890, 988885, 1977770, 2175547, 4351094, 10877735, 21755470]

約数ペア:

[(1, 21755470), (2, 10877735), (5, 4351094), (10, 2175547), (11, 1977770), (22, 988885), (23, 945890), (46, 472945), (55, 395554), (110, 197777), (115, 189178), (230, 94589), (253, 85990), (506, 42995), (1265, 17198), (2530, 8599)]