21104547

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 9999453

約数列:

[1, 3, 23, 29, 53, 69, 87, 159, 199, 597, 667, 1219, 1537, 2001, 3657, 4577, 4611, 5771, 10547, 13731, 17313, 31641, 35351, 106053, 132733, 242581, 305863, 398199, 727743, 917589, 7034849, 21104547]

約数ペア:

[(1, 21104547), (3, 7034849), (23, 917589), (29, 727743), (53, 398199), (69, 305863), (87, 242581), (159, 132733), (199, 106053), (597, 35351), (667, 31641), (1219, 17313), (1537, 13731), (2001, 10547), (3657, 5771), (4577, 4611)]