21851076

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140071}}^1$

素因数の和:140091

約数の個数: 24

約数和(自身を含む): 54908224

約数和(自身を除く): 33057148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140071, 280142, 420213, 560284, 840426, 1680852, 1820923, 3641846, 5462769, 7283692, 10925538, 21851076]

約数ペア:

[(1, 21851076), (2, 10925538), (3, 7283692), (4, 5462769), (6, 3641846), (12, 1820923), (13, 1680852), (26, 840426), (39, 560284), (52, 420213), (78, 280142), (156, 140071)]