21879802

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{42239}}^1$

素因数の和:42285

約数の個数: 16

約数和(自身を含む): 38522880

約数和(自身を除く): 16643078

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 42239, 84478, 295673, 591346, 1562843, 3125686, 10939901, 21879802]

約数ペア:

[(1, 21879802), (2, 10939901), (7, 3125686), (14, 1562843), (37, 591346), (74, 295673), (259, 84478), (518, 42239)]