21879046

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3821}}^1$

素因数の和:4239

約数の個数: 16

約数和(自身を含む): 37608480

約数和(自身を除く): 15729434

約数列:

[1, 2, 7, 14, 409, 818, 2863, 3821, 5726, 7642, 26747, 53494, 1562789, 3125578, 10939523, 21879046]

約数ペア:

[(1, 21879046), (2, 10939523), (7, 3125578), (14, 1562789), (409, 53494), (818, 26747), (2863, 7642), (3821, 5726)]