21367088

素因数分解:

$2^4\times {\mathrm{569}}^1\times {\mathrm{2347}}^1$

素因数の和:2924

約数の個数: 20

約数和(自身を含む): 41489160

約数和(自身を除く): 20122072

約数列:

[1, 2, 4, 8, 16, 569, 1138, 2276, 2347, 4552, 4694, 9104, 9388, 18776, 37552, 1335443, 2670886, 5341772, 10683544, 21367088]

約数ペア:

[(1, 21367088), (2, 10683544), (4, 5341772), (8, 2670886), (16, 1335443), (569, 37552), (1138, 18776), (2276, 9388), (2347, 9104), (4552, 4694)]