21973761

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2963

約数の個数: 24

約数和(自身を含む): 33988864

約数和(自身を除く): 12015103

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 2917, 7533, 8751, 26253, 78759, 90427, 236277, 271281, 708831, 813843, 2441529, 7324587, 21973761]

約数ペア:

[(1, 21973761), (3, 7324587), (9, 2441529), (27, 813843), (31, 708831), (81, 271281), (93, 236277), (243, 90427), (279, 78759), (837, 26253), (2511, 8751), (2917, 7533)]