21288698

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3391}}^1$

素因数の和:3509

約数の個数: 16

約数和(自身を含む): 33133056

約数和(自身を除く): 11844358

約数列:

[1, 2, 43, 73, 86, 146, 3139, 3391, 6278, 6782, 145813, 247543, 291626, 495086, 10644349, 21288698]

約数ペア:

[(1, 21288698), (2, 10644349), (43, 495086), (73, 291626), (86, 247543), (146, 145813), (3139, 6782), (3391, 6278)]