21066645

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16921}}^1$

素因数の和:17012

約数の個数: 16

約数和(自身を含む): 34114752

約数和(自身を除く): 13048107

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 16921, 50763, 84605, 253815, 1404443, 4213329, 7022215, 21066645]

約数ペア:

[(1, 21066645), (3, 7022215), (5, 4213329), (15, 1404443), (83, 253815), (249, 84605), (415, 50763), (1245, 16921)]