21843724

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4969}}^1$

素因数の和:5137

約数の個数: 24

約数和(自身を含む): 43974560

約数和(自身を除く): 22130836

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4969, 9938, 19876, 34783, 69566, 139132, 780133, 1560266, 3120532, 5460931, 10921862, 21843724]

約数ペア:

[(1, 21843724), (2, 10921862), (4, 5460931), (7, 3120532), (14, 1560266), (28, 780133), (157, 139132), (314, 69566), (628, 34783), (1099, 19876), (2198, 9938), (4396, 4969)]