21372376

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{62129}}^1$

素因数の和:62178

約数の個数: 16

約数和(自身を含む): 41005800

約数和(自身を除く): 19633424

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 62129, 124258, 248516, 497032, 2671547, 5343094, 10686188, 21372376]

約数ペア:

[(1, 21372376), (2, 10686188), (4, 5343094), (8, 2671547), (43, 497032), (86, 248516), (172, 124258), (344, 62129)]