21211834

素因数分解:

$2^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{2897}}^1$

素因数の和:3429

約数の個数: 16

約数和(自身を含む): 36445248

約数和(自身を除く): 15233414

約数列:

[1, 2, 7, 14, 523, 1046, 2897, 3661, 5794, 7322, 20279, 40558, 1515131, 3030262, 10605917, 21211834]

約数ペア:

[(1, 21211834), (2, 10605917), (7, 3030262), (14, 1515131), (523, 40558), (1046, 20279), (2897, 7322), (3661, 5794)]