21480774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{511447}}^1$

素因数の和:511459

約数の個数: 16

約数和(自身を含む): 49099008

約数和(自身を除く): 27618234

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 511447, 1022894, 1534341, 3068682, 3580129, 7160258, 10740387, 21480774]

約数ペア:

[(1, 21480774), (2, 10740387), (3, 7160258), (6, 3580129), (7, 3068682), (14, 1534341), (21, 1022894), (42, 511447)]