21419512

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86369}}^1$

素因数の和:86406

約数の個数: 16

約数和(自身を含む): 41457600

約数和(自身を除く): 20038088

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86369, 172738, 345476, 690952, 2677439, 5354878, 10709756, 21419512]

約数ペア:

[(1, 21419512), (2, 10709756), (4, 5354878), (8, 2677439), (31, 690952), (62, 345476), (124, 172738), (248, 86369)]