21976969

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 25804800

約数和(自身を除く): 3827831

約数列:

[1, 7, 59, 127, 413, 419, 889, 2933, 7493, 24721, 52451, 53213, 173047, 372491, 3139567, 21976969]

約数ペア:

[(1, 21976969), (7, 3139567), (59, 372491), (127, 173047), (413, 53213), (419, 52451), (889, 24721), (2933, 7493)]