21003702969

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1359727}}^1$

素因数の和:1360020

約数の個数: 16

約数和(自身を含む): 29587681280

約数和(自身を除く): 8583978311

約数列:

[1, 3, 19, 57, 271, 813, 5149, 15447, 1359727, 4079181, 25834813, 77504439, 368486017, 1105458051, 7001234323, 21003702969]

約数ペア:

[(1, 21003702969), (3, 7001234323), (19, 1105458051), (57, 368486017), (271, 77504439), (813, 25834813), (5149, 4079181), (15447, 1359727)]