21473277

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{9049}}^1$

素因数の和:9172

約数の個数: 16

約数和(自身を含む): 33014400

約数和(自身を除く): 11541123

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 9049, 27147, 63343, 190029, 1022537, 3067611, 7157759, 21473277]

約数ペア:

[(1, 21473277), (3, 7157759), (7, 3067611), (21, 1022537), (113, 190029), (339, 63343), (791, 27147), (2373, 9049)]