21619338

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8941}}^1$

素因数の和:8990

約数の個数: 32

約数和(自身を含む): 48072192

約数和(自身を除く): 26452854

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8941, 17882, 26823, 53646, 116233, 232466, 277171, 348699, 554342, 697398, 831513, 1663026, 3603223, 7206446, 10809669, 21619338]

約数ペア:

[(1, 21619338), (2, 10809669), (3, 7206446), (6, 3603223), (13, 1663026), (26, 831513), (31, 697398), (39, 554342), (62, 348699), (78, 277171), (93, 232466), (186, 116233), (403, 53646), (806, 26823), (1209, 17882), (2418, 8941)]