21605372

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3217}}^1$

素因数の和:3317

約数の個数: 24

約数和(自身を含む): 40006176

約数和(自身を除く): 18400804

約数列:

[1, 2, 4, 23, 46, 73, 92, 146, 292, 1679, 3217, 3358, 6434, 6716, 12868, 73991, 147982, 234841, 295964, 469682, 939364, 5401343, 10802686, 21605372]

約数ペア:

[(1, 21605372), (2, 10802686), (4, 5401343), (23, 939364), (46, 469682), (73, 295964), (92, 234841), (146, 147982), (292, 73991), (1679, 12868), (3217, 6716), (3358, 6434)]