21741005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2339}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 30831840

約数和(自身を除く): 9090835

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1859, 2339, 9295, 11695, 25729, 30407, 128645, 152035, 334477, 395291, 1672385, 1976455, 4348201, 21741005]

約数ペア:

[(1, 21741005), (5, 4348201), (11, 1976455), (13, 1672385), (55, 395291), (65, 334477), (143, 152035), (169, 128645), (715, 30407), (845, 25729), (1859, 11695), (2339, 9295)]