21439590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6679}}^1$

素因数の和:6796

約数の個数: 32

約数和(自身を含む): 51943680

約数和(自身を除く): 30504090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6679, 13358, 20037, 33395, 40074, 66790, 100185, 200370, 714653, 1429306, 2143959, 3573265, 4287918, 7146530, 10719795, 21439590]

約数ペア:

[(1, 21439590), (2, 10719795), (3, 7146530), (5, 4287918), (6, 3573265), (10, 2143959), (15, 1429306), (30, 714653), (107, 200370), (214, 100185), (321, 66790), (535, 40074), (642, 33395), (1070, 20037), (1605, 13358), (3210, 6679)]