21000659351

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{5843}}^1\times {\mathrm{30203}}^1$

素因数の和:36070

約数の個数: 16

約数和(自身を含む): 25417753344

約数和(自身を除く): 4417093993

約数列:

[1, 7, 17, 119, 5843, 30203, 40901, 99331, 211421, 513451, 695317, 3594157, 176476129, 1235332903, 3000094193, 21000659351]

約数ペア:

[(1, 21000659351), (7, 3000094193), (17, 1235332903), (119, 176476129), (5843, 3594157), (30203, 695317), (40901, 513451), (99331, 211421)]