21996848

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47407}}^1$

素因数の和:47444

約数の個数: 20

約数和(自身を含む): 44089440

約数和(自身を除く): 22092592

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 47407, 94814, 189628, 379256, 758512, 1374803, 2749606, 5499212, 10998424, 21996848]

約数ペア:

[(1, 21996848), (2, 10998424), (4, 5499212), (8, 2749606), (16, 1374803), (29, 758512), (58, 379256), (116, 189628), (232, 94814), (464, 47407)]