21082415

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1373}}^1$

素因数の和:1498

約数の個数: 16

約数和(自身を含む): 26314848

約数和(自身を除く): 5232433

約数列:

[1, 5, 37, 83, 185, 415, 1373, 3071, 6865, 15355, 50801, 113959, 254005, 569795, 4216483, 21082415]

約数ペア:

[(1, 21082415), (5, 4216483), (37, 569795), (83, 254005), (185, 113959), (415, 50801), (1373, 15355), (3071, 6865)]