21978706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{14107}}^1$

素因数の和:14169

約数の個数: 16

約数和(自身を含む): 35552160

約数和(自身を除く): 13573454

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 14107, 28214, 268033, 536066, 578387, 1156774, 10989353, 21978706]

約数ペア:

[(1, 21978706), (2, 10989353), (19, 1156774), (38, 578387), (41, 536066), (82, 268033), (779, 28214), (1558, 14107)]