213751010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1\times {\mathrm{1471}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 420332544

約数和(自身を除く): 206581534

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1321, 1471, 2642, 2942, 6605, 7355, 13210, 14531, 14710, 16181, 29062, 32362, 72655, 80905, 145310, 161810, 1943191, 3886382, 9715955, 19431910, 21375101, 42750202, 106875505, 213751010]

約数ペア:

[(1, 213751010), (2, 106875505), (5, 42750202), (10, 21375101), (11, 19431910), (22, 9715955), (55, 3886382), (110, 1943191), (1321, 161810), (1471, 145310), (2642, 80905), (2942, 72655), (6605, 32362), (7355, 29062), (13210, 16181), (14531, 14710)]