21969506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{6079}}^1$

素因数の和:6233

約数の個数: 16

約数和(自身を含む): 35750400

約数和(自身を除く): 13780894

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 6079, 12158, 79027, 158054, 844981, 1689962, 10984753, 21969506]

約数ペア:

[(1, 21969506), (2, 10984753), (13, 1689962), (26, 844981), (139, 158054), (278, 79027), (1807, 12158), (3614, 6079)]