21226233

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 33626880

約数和(自身を除く): 12400647

約数列:

[1, 3, 7, 21, 41, 89, 123, 267, 277, 287, 623, 831, 861, 1869, 1939, 3649, 5817, 10947, 11357, 24653, 25543, 34071, 73959, 76629, 79499, 172571, 238497, 517713, 1010773, 3032319, 7075411, 21226233]

約数ペア:

[(1, 21226233), (3, 7075411), (7, 3032319), (21, 1010773), (41, 517713), (89, 238497), (123, 172571), (267, 79499), (277, 76629), (287, 73959), (623, 34071), (831, 25543), (861, 24653), (1869, 11357), (1939, 10947), (3649, 5817)]