21001931418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269255531}}^1$

素因数の和:269255549

約数の個数: 16

約数和(自身を含む): 45234929376

約数和(自身を除く): 24232997958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269255531, 538511062, 807766593, 1615533186, 3500321903, 7000643806, 10500965709, 21001931418]

約数ペア:

[(1, 21001931418), (2, 10500965709), (3, 7000643806), (6, 3500321903), (13, 1615533186), (26, 807766593), (39, 538511062), (78, 269255531)]