2211110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20101}}^1$

素因数の和:20119

約数の個数: 16

約数和(自身を含む): 4342032

約数和(自身を除く): 2130922

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 20101, 40202, 100505, 201010, 221111, 442222, 1105555, 2211110]

約数ペア:

[(1, 2211110), (2, 1105555), (5, 442222), (10, 221111), (11, 201010), (22, 100505), (55, 40202), (110, 20101)]