21334978

素因数分解:

$2^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{2251}}^1$

素因数の和:2937

約数の個数: 16

約数和(自身を含む): 36644544

約数和(自身を除く): 15309566

約数列:

[1, 2, 7, 14, 677, 1354, 2251, 4502, 4739, 9478, 15757, 31514, 1523927, 3047854, 10667489, 21334978]

約数ペア:

[(1, 21334978), (2, 10667489), (7, 3047854), (14, 1523927), (677, 31514), (1354, 15757), (2251, 9478), (4502, 4739)]