21226090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49363}}^1$

素因数の和:49413

約数の個数: 16

約数和(自身を含む): 39096288

約数和(自身を除く): 17870198

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 49363, 98726, 246815, 493630, 2122609, 4245218, 10613045, 21226090]

約数ペア:

[(1, 21226090), (2, 10613045), (5, 4245218), (10, 2122609), (43, 493630), (86, 246815), (215, 98726), (430, 49363)]