21485655190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126386207}}^1$

素因数の和:126386231

約数の個数: 16

約数和(自身を含む): 40949131392

約数和(自身を除く): 19463476202

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 126386207, 252772414, 631931035, 1263862070, 2148565519, 4297131038, 10742827595, 21485655190]

約数ペア:

[(1, 21485655190), (2, 10742827595), (5, 4297131038), (10, 2148565519), (17, 1263862070), (34, 631931035), (85, 252772414), (170, 126386207)]