21963494

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{10529}}^1$

素因数の和:10687

約数の個数: 16

約数和(自身を含む): 37908000

約数和(自身を除く): 15944506

約数列:

[1, 2, 7, 14, 149, 298, 1043, 2086, 10529, 21058, 73703, 147406, 1568821, 3137642, 10981747, 21963494]

約数ペア:

[(1, 21963494), (2, 10981747), (7, 3137642), (14, 1568821), (149, 147406), (298, 73703), (1043, 21058), (2086, 10529)]