21022743

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 33882112

約数和(自身を除く): 12859369

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 751, 903, 1333, 2253, 3999, 5257, 9331, 15771, 23281, 27993, 32293, 69843, 96879, 162967, 226051, 488901, 678153, 1001083, 3003249, 7007581, 21022743]

約数ペア:

[(1, 21022743), (3, 7007581), (7, 3003249), (21, 1001083), (31, 678153), (43, 488901), (93, 226051), (129, 162967), (217, 96879), (301, 69843), (651, 32293), (751, 27993), (903, 23281), (1333, 15771), (2253, 9331), (3999, 5257)]