21708044

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{10259}}^1$

素因数の和:10309

約数の個数: 18

約数和(自身を含む): 39716460

約数和(自身を除く): 18008416

約数列:

[1, 2, 4, 23, 46, 92, 529, 1058, 2116, 10259, 20518, 41036, 235957, 471914, 943828, 5427011, 10854022, 21708044]

約数ペア:

[(1, 21708044), (2, 10854022), (4, 5427011), (23, 943828), (46, 471914), (92, 235957), (529, 41036), (1058, 20518), (2116, 10259)]