21976503

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1698

約数の個数: 16

約数和(自身を含む): 30209760

約数和(自身を除く): 8233257

約数列:

[1, 3, 53, 89, 159, 267, 1553, 4659, 4717, 14151, 82309, 138217, 246927, 414651, 7325501, 21976503]

約数ペア:

[(1, 21976503), (3, 7325501), (53, 414651), (89, 246927), (159, 138217), (267, 82309), (1553, 14151), (4659, 4717)]