21342615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1123}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 39277056

約数和(自身を除く): 17934441

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 181, 543, 905, 1123, 1267, 2715, 3369, 3801, 5615, 6335, 7861, 16845, 19005, 23583, 39305, 117915, 203263, 609789, 1016315, 1422841, 3048945, 4268523, 7114205, 21342615]

約数ペア:

[(1, 21342615), (3, 7114205), (5, 4268523), (7, 3048945), (15, 1422841), (21, 1016315), (35, 609789), (105, 203263), (181, 117915), (543, 39305), (905, 23583), (1123, 19005), (1267, 16845), (2715, 7861), (3369, 6335), (3801, 5615)]