201521021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{619}}^1$

素因数の和:1028

約数の個数: 16

約数和(自身を含む): 220819200

約数和(自身を除く): 19298179

約数列:

[1, 13, 79, 317, 619, 1027, 4121, 8047, 25043, 48901, 196223, 325559, 635713, 2550899, 15501617, 201521021]

約数ペア:

[(1, 201521021), (13, 15501617), (79, 2550899), (317, 635713), (619, 325559), (1027, 196223), (4121, 48901), (8047, 25043)]