21110368310

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1\times {\mathrm{26723}}^1$

素因数の和:27328

約数の個数: 32

約数和(自身を含む): 38288223072

約数和(自身を除く): 17177854762

約数列:

[1, 2, 5, 10, 197, 394, 401, 802, 985, 1970, 2005, 4010, 26723, 53446, 78997, 133615, 157994, 267230, 394985, 789970, 5264431, 10528862, 10715923, 21431846, 26322155, 52644310, 53579615, 107159230, 2111036831, 4222073662, 10555184155, 21110368310]

約数ペア:

[(1, 21110368310), (2, 10555184155), (5, 4222073662), (10, 2111036831), (197, 107159230), (394, 53579615), (401, 52644310), (802, 26322155), (985, 21431846), (1970, 10715923), (2005, 10528862), (4010, 5264431), (26723, 789970), (53446, 394985), (78997, 267230), (133615, 157994)]