21430629

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1223}}^1$

素因数の和:1302

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 13820571

約数列:

[1, 3, 9, 11, 27, 33, 59, 99, 177, 297, 531, 649, 1223, 1593, 1947, 3669, 5841, 11007, 13453, 17523, 33021, 40359, 72157, 121077, 216471, 363231, 649413, 793727, 1948239, 2381181, 7143543, 21430629]

約数ペア:

[(1, 21430629), (3, 7143543), (9, 2381181), (11, 1948239), (27, 793727), (33, 649413), (59, 363231), (99, 216471), (177, 121077), (297, 72157), (531, 40359), (649, 33021), (1223, 17523), (1593, 13453), (1947, 11007), (3669, 5841)]