21088236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135181}}^1$

素因数の和:135201

約数の個数: 24

約数和(自身を含む): 52991344

約数和(自身を除く): 31903108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135181, 270362, 405543, 540724, 811086, 1622172, 1757353, 3514706, 5272059, 7029412, 10544118, 21088236]

約数ペア:

[(1, 21088236), (2, 10544118), (3, 7029412), (4, 5272059), (6, 3514706), (12, 1757353), (13, 1622172), (26, 811086), (39, 540724), (52, 405543), (78, 270362), (156, 135181)]