21056406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{501343}}^1$

素因数の和:501355

約数の個数: 16

約数和(自身を含む): 48129024

約数和(自身を除く): 27072618

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 501343, 1002686, 1504029, 3008058, 3509401, 7018802, 10528203, 21056406]

約数ペア:

[(1, 21056406), (2, 10528203), (3, 7018802), (6, 3509401), (7, 3008058), (14, 1504029), (21, 1002686), (42, 501343)]