21276116830

素因数分解:

$2^1\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{1222063}}^1$

素因数の和:1223811

約数の個数: 16

約数和(自身を含む): 38319038784

約数和(自身を除く): 17042921954

約数列:

[1, 2, 5, 10, 1741, 3482, 8705, 17410, 1222063, 2444126, 6110315, 12220630, 2127611683, 4255223366, 10638058415, 21276116830]

約数ペア:

[(1, 21276116830), (2, 10638058415), (5, 4255223366), (10, 2127611683), (1741, 12220630), (3482, 6110315), (8705, 2444126), (17410, 1222063)]