21167706

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71999}}^1$

素因数の和:72018

約数の個数: 24

約数和(自身を含む): 49248000

約数和(自身を除く): 28080294

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71999, 143998, 215997, 431994, 503993, 1007986, 1511979, 3023958, 3527951, 7055902, 10583853, 21167706]

約数ペア:

[(1, 21167706), (2, 10583853), (3, 7055902), (6, 3527951), (7, 3023958), (14, 1511979), (21, 1007986), (42, 503993), (49, 431994), (98, 215997), (147, 143998), (294, 71999)]