21536165

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 31850496

約数和(自身を除く): 10314331

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 161, 217, 713, 805, 863, 1085, 3565, 4315, 4991, 6041, 19849, 24955, 26753, 30205, 99245, 133765, 138943, 187271, 615319, 694715, 936355, 3076595, 4307233, 21536165]

約数ペア:

[(1, 21536165), (5, 4307233), (7, 3076595), (23, 936355), (31, 694715), (35, 615319), (115, 187271), (155, 138943), (161, 133765), (217, 99245), (713, 30205), (805, 26753), (863, 24955), (1085, 19849), (3565, 6041), (4315, 4991)]