21043218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{501029}}^1$

素因数の和:501041

約数の個数: 16

約数和(自身を含む): 48098880

約数和(自身を除く): 27055662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 501029, 1002058, 1503087, 3006174, 3507203, 7014406, 10521609, 21043218]

約数ペア:

[(1, 21043218), (2, 10521609), (3, 7014406), (6, 3507203), (7, 3006174), (14, 1503087), (21, 1002058), (42, 501029)]