21553636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8819}}^1$

素因数の和:8883

約数の個数: 24

約数和(自身を含む): 41489280

約数和(自身を除く): 19935644

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8819, 17638, 35276, 114647, 229294, 414493, 458588, 828986, 1657972, 5388409, 10776818, 21553636]

約数ペア:

[(1, 21553636), (2, 10776818), (4, 5388409), (13, 1657972), (26, 828986), (47, 458588), (52, 414493), (94, 229294), (188, 114647), (611, 35276), (1222, 17638), (2444, 8819)]