21284310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2311}}^1$

素因数の和:2628

約数の個数: 32

約数和(自身を含む): 51270912

約数和(自身を除く): 29986602

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 307, 614, 921, 1535, 1842, 2311, 3070, 4605, 4622, 6933, 9210, 11555, 13866, 23110, 34665, 69330, 709477, 1418954, 2128431, 3547385, 4256862, 7094770, 10642155, 21284310]

約数ペア:

[(1, 21284310), (2, 10642155), (3, 7094770), (5, 4256862), (6, 3547385), (10, 2128431), (15, 1418954), (30, 709477), (307, 69330), (614, 34665), (921, 23110), (1535, 13866), (1842, 11555), (2311, 9210), (3070, 6933), (4605, 4622)]