21293506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1609}}^1$

素因数の和:2133

約数の個数: 16

約数和(自身を含む): 34486200

約数和(自身を除く): 13192694

約数列:

[1, 2, 13, 26, 509, 1018, 1609, 3218, 6617, 13234, 20917, 41834, 818981, 1637962, 10646753, 21293506]

約数ペア:

[(1, 21293506), (2, 10646753), (13, 1637962), (26, 818981), (509, 41834), (1018, 20917), (1609, 13234), (3218, 6617)]