21536739

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6703}}^1$

素因数の和:6736

約数の個数: 32

約数和(自身を含む): 38615040

約数和(自身を除く): 17078301

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6703, 20109, 46921, 60327, 113951, 140763, 180981, 341853, 422289, 797657, 1025559, 1266867, 2392971, 3076677, 7178913, 21536739]

約数ペア:

[(1, 21536739), (3, 7178913), (7, 3076677), (9, 2392971), (17, 1266867), (21, 1025559), (27, 797657), (51, 422289), (63, 341853), (119, 180981), (153, 140763), (189, 113951), (357, 60327), (459, 46921), (1071, 20109), (3213, 6703)]