21372848

素因数分解:

$2^4\times 7^1\times {\mathrm{190829}}^1$

素因数の和:190844

約数の個数: 20

約数和(自身を含む): 47325840

約数和(自身を除く): 25952992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190829, 381658, 763316, 1335803, 1526632, 2671606, 3053264, 5343212, 10686424, 21372848]

約数ペア:

[(1, 21372848), (2, 10686424), (4, 5343212), (7, 3053264), (8, 2671606), (14, 1526632), (16, 1335803), (28, 763316), (56, 381658), (112, 190829)]