21911776

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 24790880

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 68, 94, 136, 188, 272, 376, 544, 752, 799, 857, 1504, 1598, 1714, 3196, 3428, 6392, 6856, 12784, 13712, 14569, 25568, 27424, 29138, 40279, 58276, 80558, 116552, 161116, 233104, 322232, 466208, 644464, 684743, 1288928, 1369486, 2738972, 5477944, 10955888, 21911776]

約数ペア:

[(1, 21911776), (2, 10955888), (4, 5477944), (8, 2738972), (16, 1369486), (17, 1288928), (32, 684743), (34, 644464), (47, 466208), (68, 322232), (94, 233104), (136, 161116), (188, 116552), (272, 80558), (376, 58276), (544, 40279), (752, 29138), (799, 27424), (857, 25568), (1504, 14569), (1598, 13712), (1714, 12784), (3196, 6856), (3428, 6392)]