21845317

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 2346683

約数列:

[1, 13, 79, 89, 239, 1027, 1157, 3107, 7031, 18881, 21271, 91403, 245453, 276523, 1680409, 21845317]

約数ペア:

[(1, 21845317), (13, 1680409), (79, 276523), (89, 245453), (239, 91403), (1027, 21271), (1157, 18881), (3107, 7031)]