21438654

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{87149}}^1$

素因数の和:87195

約数の個数: 16

約数和(自身を含む): 43923600

約数和(自身を除く): 22484946

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 87149, 174298, 261447, 522894, 3573109, 7146218, 10719327, 21438654]

約数ペア:

[(1, 21438654), (2, 10719327), (3, 7146218), (6, 3573109), (41, 522894), (82, 261447), (123, 174298), (246, 87149)]