21946491

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{769}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 37452800

約数和(自身を除く): 15506309

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 769, 1057, 1359, 2307, 3171, 4077, 5383, 6921, 9513, 16149, 20763, 28539, 48447, 116119, 145341, 348357, 812833, 1045071, 2438499, 3135213, 7315497, 21946491]

約数ペア:

[(1, 21946491), (3, 7315497), (7, 3135213), (9, 2438499), (21, 1045071), (27, 812833), (63, 348357), (151, 145341), (189, 116119), (453, 48447), (769, 28539), (1057, 20763), (1359, 16149), (2307, 9513), (3171, 6921), (4077, 5383)]