21539406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{512843}}^1$

素因数の和:512855

約数の個数: 16

約数和(自身を含む): 49233024

約数和(自身を除く): 27693618

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 512843, 1025686, 1538529, 3077058, 3589901, 7179802, 10769703, 21539406]

約数ペア:

[(1, 21539406), (2, 10769703), (3, 7179802), (6, 3589901), (7, 3077058), (14, 1538529), (21, 1025686), (42, 512843)]