21297678

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{983}}^1$

素因数の和:1168

約数の個数: 32

約数和(自身を含む): 44775936

約数和(自身を除く): 23478258

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157, 314, 471, 942, 983, 1966, 2949, 3611, 5898, 7222, 10833, 21666, 22609, 45218, 67827, 135654, 154331, 308662, 462993, 925986, 3549613, 7099226, 10648839, 21297678]

約数ペア:

[(1, 21297678), (2, 10648839), (3, 7099226), (6, 3549613), (23, 925986), (46, 462993), (69, 308662), (138, 154331), (157, 135654), (314, 67827), (471, 45218), (942, 22609), (983, 21666), (1966, 10833), (2949, 7222), (3611, 5898)]