21351110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194101}}^1$

素因数の和:194119

約数の個数: 16

約数和(自身を含む): 41926032

約数和(自身を除く): 20574922

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 194101, 388202, 970505, 1941010, 2135111, 4270222, 10675555, 21351110]

約数ペア:

[(1, 21351110), (2, 10675555), (5, 4270222), (10, 2135111), (11, 1941010), (22, 970505), (55, 388202), (110, 194101)]