21235331

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 24276000

約数和(自身を除く): 3040669

約数列:

[1, 13, 19, 149, 247, 577, 1937, 2831, 7501, 10963, 36803, 85973, 142519, 1117649, 1633487, 21235331]

約数ペア:

[(1, 21235331), (13, 1633487), (19, 1117649), (149, 142519), (247, 85973), (577, 36803), (1937, 10963), (2831, 7501)]