21206242

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1986

約数の個数: 24

約数和(自身を含む): 35587440

約数和(自身を除く): 14381198

約数列:

[1, 2, 17, 19, 34, 38, 289, 323, 578, 646, 1931, 3862, 5491, 10982, 32827, 36689, 65654, 73378, 558059, 623713, 1116118, 1247426, 10603121, 21206242]

約数ペア:

[(1, 21206242), (2, 10603121), (17, 1247426), (19, 1116118), (34, 623713), (38, 558059), (289, 73378), (323, 65654), (578, 36689), (646, 32827), (1931, 10982), (3862, 5491)]