20211556145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{438001}}^1$

素因数の和:438856

約数の個数: 16

約数和(自身を含む): 26490360960

約数和(自身を除く): 6278804815

約数列:

[1, 5, 11, 55, 839, 4195, 9229, 46145, 438001, 2190005, 4818011, 24090055, 367482839, 1837414195, 4042311229, 20211556145]

約数ペア:

[(1, 20211556145), (5, 4042311229), (11, 1837414195), (55, 367482839), (839, 24090055), (4195, 4818011), (9229, 2190005), (46145, 438001)]