20861601

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21529}}^1$

素因数の和:21568

約数の個数: 16

約数和(自身を含む): 31003200

約数和(自身を除く): 10141599

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21529, 64587, 365993, 409051, 1097979, 1227153, 6953867, 20861601]

約数ペア:

[(1, 20861601), (3, 6953867), (17, 1227153), (19, 1097979), (51, 409051), (57, 365993), (323, 64587), (969, 21529)]