21141345

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16981}}^1$

素因数の和:17072

約数の個数: 16

約数和(自身を含む): 34235712

約数和(自身を除く): 13094367

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 16981, 50943, 84905, 254715, 1409423, 4228269, 7047115, 21141345]

約数ペア:

[(1, 21141345), (3, 7047115), (5, 4228269), (15, 1409423), (83, 254715), (249, 84905), (415, 50943), (1245, 16981)]