21892318

素因数分解:

$2^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 40

約数和(自身を含む): 39527712

約数和(自身を除く): 17635394

約数列:

[1, 2, 7, 14, 47, 49, 94, 97, 98, 194, 329, 343, 658, 679, 686, 1358, 2303, 2401, 4559, 4606, 4753, 4802, 9118, 9506, 16121, 31913, 32242, 33271, 63826, 66542, 112847, 223391, 225694, 232897, 446782, 465794, 1563737, 3127474, 10946159, 21892318]

約数ペア:

[(1, 21892318), (2, 10946159), (7, 3127474), (14, 1563737), (47, 465794), (49, 446782), (94, 232897), (97, 225694), (98, 223391), (194, 112847), (329, 66542), (343, 63826), (658, 33271), (679, 32242), (686, 31913), (1358, 16121), (2303, 9506), (2401, 9118), (4559, 4802), (4606, 4753)]