21708202377

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1908749}}^1$

素因数の和:1908992

約数の個数: 16

約数和(自身を含む): 30784320000

約数和(自身を除く): 9076117623

約数列:

[1, 3, 17, 51, 223, 669, 3791, 11373, 1908749, 5726247, 32448733, 97346199, 425651027, 1276953081, 7236067459, 21708202377]

約数ペア:

[(1, 21708202377), (3, 7236067459), (17, 1276953081), (51, 425651027), (223, 97346199), (669, 32448733), (3791, 5726247), (11373, 1908749)]