21719103687

素因数分解:

$3^2\times {\mathrm{409}}^1\times {\mathrm{457}}^1\times {\mathrm{12911}}^1$

素因数の和:13783

約数の個数: 24

約数和(自身を含む): 31519999680

約数和(自身を除く): 9800895993

約数列:

[1, 3, 9, 409, 457, 1227, 1371, 3681, 4113, 12911, 38733, 116199, 186913, 560739, 1682217, 5280599, 5900327, 15841797, 17700981, 47525391, 53102943, 2413233743, 7239701229, 21719103687]

約数ペア:

[(1, 21719103687), (3, 7239701229), (9, 2413233743), (409, 53102943), (457, 47525391), (1227, 17700981), (1371, 15841797), (3681, 5900327), (4113, 5280599), (12911, 1682217), (38733, 560739), (116199, 186913)]