21694478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{8101}}^1$

素因数の和:8219

約数の個数: 16

約数和(自身を含む): 35389536

約数和(自身を除く): 13695058

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 8101, 16202, 105313, 210626, 834403, 1668806, 10847239, 21694478]

約数ペア:

[(1, 21694478), (2, 10847239), (13, 1668806), (26, 834403), (103, 210626), (206, 105313), (1339, 16202), (2678, 8101)]