21495964

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20749}}^1$

素因数の和:20797

約数の個数: 24

約数和(自身を含む): 44156000

約数和(自身を除く): 22660036

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20749, 41498, 82996, 145243, 290486, 580972, 767713, 1535426, 3070852, 5373991, 10747982, 21495964]

約数ペア:

[(1, 21495964), (2, 10747982), (4, 5373991), (7, 3070852), (14, 1535426), (28, 767713), (37, 580972), (74, 290486), (148, 145243), (259, 82996), (518, 41498), (1036, 20749)]