21091626

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 47309184

約数和(自身を除く): 26217558

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 107, 141, 214, 233, 282, 321, 423, 466, 642, 699, 846, 963, 1398, 1926, 2097, 4194, 5029, 10058, 10951, 15087, 21902, 24931, 30174, 32853, 45261, 49862, 65706, 74793, 90522, 98559, 149586, 197118, 224379, 448758, 1171757, 2343514, 3515271, 7030542, 10545813, 21091626]

約数ペア:

[(1, 21091626), (2, 10545813), (3, 7030542), (6, 3515271), (9, 2343514), (18, 1171757), (47, 448758), (94, 224379), (107, 197118), (141, 149586), (214, 98559), (233, 90522), (282, 74793), (321, 65706), (423, 49862), (466, 45261), (642, 32853), (699, 30174), (846, 24931), (963, 21902), (1398, 15087), (1926, 10951), (2097, 10058), (4194, 5029)]