21448191

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 29111040

約数和(自身を除く): 7662849

約数列:

[1, 3, 113, 151, 339, 419, 453, 1257, 17063, 47347, 51189, 63269, 142041, 189807, 7149397, 21448191]

約数ペア:

[(1, 21448191), (3, 7149397), (113, 189807), (151, 142041), (339, 63269), (419, 51189), (453, 47347), (1257, 17063)]