21000359577

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{5209}}^1\times {\mathrm{70729}}^1$

素因数の和:75960

約数の個数: 16

約数和(自身を含む): 29480264000

約数和(自身を除く): 8479904423

約数列:

[1, 3, 19, 57, 5209, 15627, 70729, 98971, 212187, 296913, 1343851, 4031553, 368427361, 1105282083, 7000119859, 21000359577]

約数ペア:

[(1, 21000359577), (3, 7000119859), (19, 1105282083), (57, 368427361), (5209, 4031553), (15627, 1343851), (70729, 296913), (98971, 212187)]