21072734

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{863}}^1$

素因数の和:1315

約数の個数: 16

約数和(自身を含む): 32814720

約数和(自身を除く): 11741986

約数列:

[1, 2, 29, 58, 421, 842, 863, 1726, 12209, 24418, 25027, 50054, 363323, 726646, 10536367, 21072734]

約数ペア:

[(1, 21072734), (2, 10536367), (29, 726646), (58, 363323), (421, 50054), (842, 25027), (863, 24418), (1726, 12209)]