21732790

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 40147200

約数和(自身を除く): 18414410

約数列:

[1, 2, 5, 10, 67, 134, 163, 199, 326, 335, 398, 670, 815, 995, 1630, 1990, 10921, 13333, 21842, 26666, 32437, 54605, 64874, 66665, 109210, 133330, 162185, 324370, 2173279, 4346558, 10866395, 21732790]

約数ペア:

[(1, 21732790), (2, 10866395), (5, 4346558), (10, 2173279), (67, 324370), (134, 162185), (163, 133330), (199, 109210), (326, 66665), (335, 64874), (398, 54605), (670, 32437), (815, 26666), (995, 21842), (1630, 13333), (1990, 10921)]