8721426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{207653}}^1$

素因数の和:207665

約数の個数: 16

約数和(自身を含む): 19934784

約数和(自身を除く): 11213358

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 207653, 415306, 622959, 1245918, 1453571, 2907142, 4360713, 8721426]

約数ペア:

[(1, 8721426), (2, 4360713), (3, 2907142), (6, 1453571), (7, 1245918), (14, 622959), (21, 415306), (42, 207653)]