21516135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84377}}^1$

素因数の和:84402

約数の個数: 16

約数和(自身を含む): 36451296

約数和(自身を除く): 14935161

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 84377, 253131, 421885, 1265655, 1434409, 4303227, 7172045, 21516135]

約数ペア:

[(1, 21516135), (3, 7172045), (5, 4303227), (15, 1434409), (17, 1265655), (51, 421885), (85, 253131), (255, 84377)]