21092916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135211}}^1$

素因数の和:135231

約数の個数: 24

約数和(自身を含む): 53003104

約数和(自身を除く): 31910188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135211, 270422, 405633, 540844, 811266, 1622532, 1757743, 3515486, 5273229, 7030972, 10546458, 21092916]

約数ペア:

[(1, 21092916), (2, 10546458), (3, 7030972), (4, 5273229), (6, 3515486), (12, 1757743), (13, 1622532), (26, 811266), (39, 540844), (52, 405633), (78, 270422), (156, 135211)]