21253583

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 23617440

約数和(自身を除く): 2363857

約数列:

[1, 13, 53, 109, 283, 689, 1417, 3679, 5777, 14999, 30847, 75101, 194987, 401011, 1634891, 21253583]

約数ペア:

[(1, 21253583), (13, 1634891), (53, 401011), (109, 194987), (283, 75101), (689, 30847), (1417, 14999), (3679, 5777)]