21372723505

素因数分解:

$5^1\times 7^1\times {\mathrm{19081}}^1\times {\mathrm{32003}}^1$

素因数の和:51096

約数の個数: 16

約数和(自身を含む): 29313615744

約数和(自身を除く): 7940892239

約数列:

[1, 5, 7, 35, 19081, 32003, 95405, 133567, 160015, 224021, 667835, 1120105, 610649243, 3053246215, 4274544701, 21372723505]

約数ペア:

[(1, 21372723505), (5, 4274544701), (7, 3053246215), (35, 610649243), (19081, 1120105), (32003, 667835), (95405, 224021), (133567, 160015)]