21173418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{168043}}^1$

素因数の和:168058

約数の個数: 24

約数和(自身を含む): 52429728

約数和(自身を除く): 31256310

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 168043, 336086, 504129, 1008258, 1176301, 1512387, 2352602, 3024774, 3528903, 7057806, 10586709, 21173418]

約数ペア:

[(1, 21173418), (2, 10586709), (3, 7057806), (6, 3528903), (7, 3024774), (9, 2352602), (14, 1512387), (18, 1176301), (21, 1008258), (42, 504129), (63, 336086), (126, 168043)]