21529995

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30539}}^1$

素因数の和:30594

約数の個数: 16

約数和(自身を含む): 35182080

約数和(自身を除く): 13652085

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 30539, 91617, 152695, 458085, 1435333, 4305999, 7176665, 21529995]

約数ペア:

[(1, 21529995), (3, 7176665), (5, 4305999), (15, 1435333), (47, 458085), (141, 152695), (235, 91617), (705, 30539)]