21000228242

素因数分解:

$2^1\times 7^1\times {\mathrm{33083}}^1\times {\mathrm{45341}}^1$

素因数の和:78433

約数の個数: 16

約数和(自身を含む): 36002273472

約数和(自身を除く): 15002045230

約数列:

[1, 2, 7, 14, 33083, 45341, 66166, 90682, 231581, 317387, 463162, 634774, 1500016303, 3000032606, 10500114121, 21000228242]

約数ペア:

[(1, 21000228242), (2, 10500114121), (7, 3000032606), (14, 1500016303), (33083, 634774), (45341, 463162), (66166, 317387), (90682, 231581)]