21811244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59921}}^1$

素因数の和:59945

約数の個数: 24

約数和(自身を含む): 46978848

約数和(自身を除く): 25167604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 59921, 119842, 239684, 419447, 778973, 838894, 1557946, 1677788, 3115892, 5452811, 10905622, 21811244]

約数ペア:

[(1, 21811244), (2, 10905622), (4, 5452811), (7, 3115892), (13, 1677788), (14, 1557946), (26, 838894), (28, 778973), (52, 419447), (91, 239684), (182, 119842), (364, 59921)]