21890916

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5683}}^1$

素因数の和:5800

約数の個数: 36

約数和(自身を含む): 55862352

約数和(自身を除く): 33971436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5683, 11366, 17049, 22732, 34098, 51147, 68196, 102294, 204588, 608081, 1216162, 1824243, 2432324, 3648486, 5472729, 7296972, 10945458, 21890916]

約数ペア:

[(1, 21890916), (2, 10945458), (3, 7296972), (4, 5472729), (6, 3648486), (9, 2432324), (12, 1824243), (18, 1216162), (36, 608081), (107, 204588), (214, 102294), (321, 68196), (428, 51147), (642, 34098), (963, 22732), (1284, 17049), (1926, 11366), (3852, 5683)]