21694585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4993}}^1$

素因数の和:5088

約数の個数: 16

約数和(自身を含む): 28765440

約数和(自身を除く): 7070855

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 4993, 24965, 54923, 274615, 394447, 1972235, 4338917, 21694585]

約数ペア:

[(1, 21694585), (5, 4338917), (11, 1972235), (55, 394447), (79, 274615), (395, 54923), (869, 24965), (4345, 4993)]