21296109

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1523}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 29260800

約数和(自身を除く): 7964691

約数列:

[1, 3, 59, 79, 177, 237, 1523, 4569, 4661, 13983, 89857, 120317, 269571, 360951, 7098703, 21296109]

約数ペア:

[(1, 21296109), (3, 7098703), (59, 360951), (79, 269571), (177, 120317), (237, 89857), (1523, 13983), (4569, 4661)]