21084152

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 40670400

約数和(自身を除く): 19586248

約数列:

[1, 2, 4, 8, 73, 79, 146, 158, 292, 316, 457, 584, 632, 914, 1828, 3656, 5767, 11534, 23068, 33361, 36103, 46136, 66722, 72206, 133444, 144412, 266888, 288824, 2635519, 5271038, 10542076, 21084152]

約数ペア:

[(1, 21084152), (2, 10542076), (4, 5271038), (8, 2635519), (73, 288824), (79, 266888), (146, 144412), (158, 133444), (292, 72206), (316, 66722), (457, 46136), (584, 36103), (632, 33361), (914, 23068), (1828, 11534), (3656, 5767)]