21272876

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 38031840

約数和(自身を除く): 16758964

約数列:

[1, 2, 4, 97, 109, 194, 218, 388, 436, 503, 1006, 2012, 10573, 21146, 42292, 48791, 54827, 97582, 109654, 195164, 219308, 5318219, 10636438, 21272876]

約数ペア:

[(1, 21272876), (2, 10636438), (4, 5318219), (97, 219308), (109, 195164), (194, 109654), (218, 97582), (388, 54827), (436, 48791), (503, 42292), (1006, 21146), (2012, 10573)]