21862178

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1010

約数の個数: 24

約数和(自身を含む): 36049536

約数和(自身を除く): 14187358

約数列:

[1, 2, 13, 26, 71, 142, 169, 338, 911, 923, 1822, 1846, 11843, 11999, 23686, 23998, 64681, 129362, 153959, 307918, 840853, 1681706, 10931089, 21862178]

約数ペア:

[(1, 21862178), (2, 10931089), (13, 1681706), (26, 840853), (71, 307918), (142, 153959), (169, 129362), (338, 64681), (911, 23998), (923, 23686), (1822, 11999), (1846, 11843)]