21411830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194653}}^1$

素因数の和:194671

約数の個数: 16

約数和(自身を含む): 42045264

約数和(自身を除く): 20633434

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 194653, 389306, 973265, 1946530, 2141183, 4282366, 10705915, 21411830]

約数ペア:

[(1, 21411830), (2, 10705915), (5, 4282366), (10, 2141183), (11, 1946530), (22, 973265), (55, 389306), (110, 194653)]