21791562

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{569}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 47113920

約数和(自身を除く): 25322358

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 491, 569, 982, 1138, 1473, 1707, 2946, 3414, 6383, 7397, 12766, 14794, 19149, 22191, 38298, 44382, 279379, 558758, 838137, 1676274, 3631927, 7263854, 10895781, 21791562]

約数ペア:

[(1, 21791562), (2, 10895781), (3, 7263854), (6, 3631927), (13, 1676274), (26, 838137), (39, 558758), (78, 279379), (491, 44382), (569, 38298), (982, 22191), (1138, 19149), (1473, 14794), (1707, 12766), (2946, 7397), (3414, 6383)]