21327856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121181}}^1$

素因数の和:121200

約数の個数: 20

約数和(自身を含む): 45079704

約数和(自身を除く): 23751848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121181, 242362, 484724, 969448, 1332991, 1938896, 2665982, 5331964, 10663928, 21327856]

約数ペア:

[(1, 21327856), (2, 10663928), (4, 5331964), (8, 2665982), (11, 1938896), (16, 1332991), (22, 969448), (44, 484724), (88, 242362), (176, 121181)]