21075978623

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{911}}^1\times {\mathrm{25229}}^1$

素因数の和:26278

約数の個数: 16

約数和(自身を含む): 24298306560

約数和(自身を除く): 3222327937

約数列:

[1, 7, 131, 911, 917, 6377, 25229, 119341, 176603, 835387, 3304999, 22983619, 23134993, 160885333, 3010854089, 21075978623]

約数ペア:

[(1, 21075978623), (7, 3010854089), (131, 160885333), (911, 23134993), (917, 22983619), (6377, 3304999), (25229, 835387), (119341, 176603)]