21836540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99257}}^1$

素因数の和:99277

約数の個数: 24

約数和(自身を含む): 50026032

約数和(自身を除く): 28189492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99257, 198514, 397028, 496285, 992570, 1091827, 1985140, 2183654, 4367308, 5459135, 10918270, 21836540]

約数ペア:

[(1, 21836540), (2, 10918270), (4, 5459135), (5, 4367308), (10, 2183654), (11, 1985140), (20, 1091827), (22, 992570), (44, 496285), (55, 397028), (110, 198514), (220, 99257)]