21779312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80071}}^1$

素因数の和:80096

約数の個数: 20

約数和(自身を含む): 44680176

約数和(自身を除く): 22900864

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80071, 160142, 320284, 640568, 1281136, 1361207, 2722414, 5444828, 10889656, 21779312]

約数ペア:

[(1, 21779312), (2, 10889656), (4, 5444828), (8, 2722414), (16, 1361207), (17, 1281136), (34, 640568), (68, 320284), (136, 160142), (272, 80071)]