21947534

素因数分解:

$2^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2423}}^1$

素因数の和:3079

約数の個数: 16

約数和(自身を含む): 37698048

約数和(自身を除く): 15750514

約数列:

[1, 2, 7, 14, 647, 1294, 2423, 4529, 4846, 9058, 16961, 33922, 1567681, 3135362, 10973767, 21947534]

約数ペア:

[(1, 21947534), (2, 10973767), (7, 3135362), (14, 1567681), (647, 33922), (1294, 16961), (2423, 9058), (4529, 4846)]