21866492

素因数分解:

$2^2\times {\mathrm{19}}^3\times {\mathrm{797}}^1$

素因数の和:858

約数の個数: 24

約数和(自身を含む): 40442640

約数和(自身を除く): 18576148

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 797, 1444, 1594, 3188, 6859, 13718, 15143, 27436, 30286, 60572, 287717, 575434, 1150868, 5466623, 10933246, 21866492]

約数ペア:

[(1, 21866492), (2, 10933246), (4, 5466623), (19, 1150868), (38, 575434), (76, 287717), (361, 60572), (722, 30286), (797, 27436), (1444, 15143), (1594, 13718), (3188, 6859)]