21230195

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 31850496

約数和(自身を除く): 10620301

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1085, 1151, 2635, 3689, 5755, 8057, 18445, 19567, 35681, 40285, 97835, 136969, 178405, 249767, 606577, 684845, 1248835, 3032885, 4246039, 21230195]

約数ペア:

[(1, 21230195), (5, 4246039), (7, 3032885), (17, 1248835), (31, 684845), (35, 606577), (85, 249767), (119, 178405), (155, 136969), (217, 97835), (527, 40285), (595, 35681), (1085, 19567), (1151, 18445), (2635, 8057), (3689, 5755)]