21389066

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{1543}}^1$

素因数の和:1813

約数の個数: 16

約数和(自身を含む): 33350400

約数和(自身を除く): 11961334

約数列:

[1, 2, 29, 58, 239, 478, 1543, 3086, 6931, 13862, 44747, 89494, 368777, 737554, 10694533, 21389066]

約数ペア:

[(1, 21389066), (2, 10694533), (29, 737554), (58, 368777), (239, 89494), (478, 44747), (1543, 13862), (3086, 6931)]