21481491

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2087}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 29666304

約数和(自身を除く): 8184813

約数列:

[1, 3, 47, 73, 141, 219, 2087, 3431, 6261, 10293, 98089, 152351, 294267, 457053, 7160497, 21481491]

約数ペア:

[(1, 21481491), (3, 7160497), (47, 457053), (73, 294267), (141, 152351), (219, 98089), (2087, 10293), (3431, 6261)]