21747770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{937}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 42952896

約数和(自身を除く): 21205126

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 937, 1055, 1874, 2110, 2321, 4642, 4685, 9370, 10307, 11605, 20614, 23210, 51535, 103070, 197707, 395414, 988535, 1977070, 2174777, 4349554, 10873885, 21747770]

約数ペア:

[(1, 21747770), (2, 10873885), (5, 4349554), (10, 2174777), (11, 1977070), (22, 988535), (55, 395414), (110, 197707), (211, 103070), (422, 51535), (937, 23210), (1055, 20614), (1874, 11605), (2110, 10307), (2321, 9370), (4642, 4685)]