21627472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71143}}^1$

素因数の和:71170

約数の個数: 20

約数和(自身を含む): 44109280

約数和(自身を除く): 22481808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71143, 142286, 284572, 569144, 1138288, 1351717, 2703434, 5406868, 10813736, 21627472]

約数ペア:

[(1, 21627472), (2, 10813736), (4, 5406868), (8, 2703434), (16, 1351717), (19, 1138288), (38, 569144), (76, 284572), (152, 142286), (304, 71143)]