21000337385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7622627}}^1$

素因数の和:7622680

約数の個数: 16

約数和(自身を含む): 27441460800

約数和(自身を除く): 6441123415

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 7622627, 38113135, 144829913, 221056183, 724149565, 1105280915, 4200067477, 21000337385]

約数ペア:

[(1, 21000337385), (5, 4200067477), (19, 1105280915), (29, 724149565), (95, 221056183), (145, 144829913), (551, 38113135), (2755, 7622627)]