21793478

素因数分解:

$2^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2467}}^1$

素因数の和:3107

約数の個数: 16

約数和(自身を含む): 37434624

約数和(自身を除く): 15641146

約数列:

[1, 2, 7, 14, 631, 1262, 2467, 4417, 4934, 8834, 17269, 34538, 1556677, 3113354, 10896739, 21793478]

約数ペア:

[(1, 21793478), (2, 10896739), (7, 3113354), (14, 1556677), (631, 34538), (1262, 17269), (2467, 8834), (4417, 4934)]