21719042

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1$

素因数の和:3673

約数の個数: 16

約数和(自身を含む): 33815232

約数和(自身を除く): 12096190

約数列:

[1, 2, 43, 71, 86, 142, 3053, 3557, 6106, 7114, 152951, 252547, 305902, 505094, 10859521, 21719042]

約数ペア:

[(1, 21719042), (2, 10859521), (43, 505094), (71, 305902), (86, 252547), (142, 152951), (3053, 7114), (3557, 6106)]