21299410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{853}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 42057792

約数和(自身を除く): 20758382

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 853, 1135, 1706, 2270, 2497, 4265, 4994, 8530, 9383, 12485, 18766, 24970, 46915, 93830, 193631, 387262, 968155, 1936310, 2129941, 4259882, 10649705, 21299410]

約数ペア:

[(1, 21299410), (2, 10649705), (5, 4259882), (10, 2129941), (11, 1936310), (22, 968155), (55, 387262), (110, 193631), (227, 93830), (454, 46915), (853, 24970), (1135, 18766), (1706, 12485), (2270, 9383), (2497, 8530), (4265, 4994)]