21928775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3467}}^1$

素因数の和:3511

約数の個数: 24

約数和(自身を含む): 30962304

約数和(自身を除く): 9033529

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 3467, 6325, 17335, 38137, 79741, 86675, 190685, 398705, 877151, 953425, 1993525, 4385755, 21928775]

約数ペア:

[(1, 21928775), (5, 4385755), (11, 1993525), (23, 953425), (25, 877151), (55, 398705), (115, 190685), (253, 86675), (275, 79741), (575, 38137), (1265, 17335), (3467, 6325)]