21000984015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127278691}}^1$

素因数の和:127278710

約数の個数: 16

約数和(自身を含む): 36656263296

約数和(自身を除く): 15655279281

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 127278691, 381836073, 636393455, 1400065601, 1909180365, 4200196803, 7000328005, 21000984015]

約数ペア:

[(1, 21000984015), (3, 7000328005), (5, 4200196803), (11, 1909180365), (15, 1400065601), (33, 636393455), (55, 381836073), (165, 127278691)]