21484148

素因数分解:

$2^2\times 7^4\times {\mathrm{2237}}^1$

素因数の和:2269

約数の個数: 30

約数和(自身を含む): 43880466

約数和(自身を除く): 22396318

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2237, 2401, 4474, 4802, 8948, 9604, 15659, 31318, 62636, 109613, 219226, 438452, 767291, 1534582, 3069164, 5371037, 10742074, 21484148]

約数ペア:

[(1, 21484148), (2, 10742074), (4, 5371037), (7, 3069164), (14, 1534582), (28, 767291), (49, 438452), (98, 219226), (196, 109613), (343, 62636), (686, 31318), (1372, 15659), (2237, 9604), (2401, 8948), (4474, 4802)]