21232485

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10039}}^1$

素因数の和:10097

約数の個数: 24

約数和(自身を含む): 37589760

約数和(自身を除く): 16357275

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 10039, 30117, 50195, 90351, 150585, 451755, 471833, 1415499, 2359165, 4246497, 7077495, 21232485]

約数ペア:

[(1, 21232485), (3, 7077495), (5, 4246497), (9, 2359165), (15, 1415499), (45, 471833), (47, 451755), (141, 150585), (235, 90351), (423, 50195), (705, 30117), (2115, 10039)]