21992451

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{911}}^1$

素因数の和:1546

約数の個数: 16

約数和(自身を含む): 31664640

約数和(自身を除く): 9672189

約数列:

[1, 3, 13, 39, 619, 911, 1857, 2733, 8047, 11843, 24141, 35529, 563909, 1691727, 7330817, 21992451]

約数ペア:

[(1, 21992451), (3, 7330817), (13, 1691727), (39, 563909), (619, 35529), (911, 24141), (1857, 11843), (2733, 8047)]