21858518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{34261}}^1$

素因数の和:34303

約数の個数: 16

約数和(自身を含む): 37002960

約数和(自身を除く): 15144442

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 34261, 68522, 376871, 753742, 993569, 1987138, 10929259, 21858518]

約数ペア:

[(1, 21858518), (2, 10929259), (11, 1987138), (22, 993569), (29, 753742), (58, 376871), (319, 68522), (638, 34261)]