21277498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6491}}^1$

素因数の和:6653

約数の個数: 16

約数和(自身を含む): 35056800

約数和(自身を除く): 13779302

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 6491, 12982, 71401, 142802, 967159, 1934318, 10638749, 21277498]

約数ペア:

[(1, 21277498), (2, 10638749), (11, 1934318), (22, 967159), (149, 142802), (298, 71401), (1639, 12982), (3278, 6491)]