21583373

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 26812800

約数和(自身を除く): 5229427

約数列:

[1, 7, 19, 49, 97, 133, 239, 679, 931, 1673, 1843, 4541, 4753, 11711, 12901, 23183, 31787, 90307, 162281, 222509, 440477, 1135967, 3083339, 21583373]

約数ペア:

[(1, 21583373), (7, 3083339), (19, 1135967), (49, 440477), (97, 222509), (133, 162281), (239, 90307), (679, 31787), (931, 23183), (1673, 12901), (1843, 11711), (4541, 4753)]