21530056

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21191}}^1$

素因数の和:21324

約数の個数: 16

約数和(自身を含む): 40688640

約数和(自身を除く): 19158584

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21191, 42382, 84764, 169528, 2691257, 5382514, 10765028, 21530056]

約数ペア:

[(1, 21530056), (2, 10765028), (4, 5382514), (8, 2691257), (127, 169528), (254, 84764), (508, 42382), (1016, 21191)]