21945238

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3671}}^1$

素因数の和:3748

約数の個数: 24

約数和(自身を含む): 38930544

約数和(自身を除く): 16985306

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 3671, 5978, 7342, 25697, 51394, 179879, 223931, 359758, 447862, 1567517, 3135034, 10972619, 21945238]

約数ペア:

[(1, 21945238), (2, 10972619), (7, 3135034), (14, 1567517), (49, 447862), (61, 359758), (98, 223931), (122, 179879), (427, 51394), (854, 25697), (2989, 7342), (3671, 5978)]