21608888

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10429}}^1$

素因数の和:10479

約数の個数: 32

約数和(自身を含む): 47560800

約数和(自身を除く): 25951912

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10429, 20858, 41716, 73003, 83432, 146006, 292012, 385873, 584024, 771746, 1543492, 2701111, 3086984, 5402222, 10804444, 21608888]

約数ペア:

[(1, 21608888), (2, 10804444), (4, 5402222), (7, 3086984), (8, 2701111), (14, 1543492), (28, 771746), (37, 584024), (56, 385873), (74, 292012), (148, 146006), (259, 83432), (296, 73003), (518, 41716), (1036, 20858), (2072, 10429)]