21903650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 43852104

約数和(自身を除く): 21948454

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 73, 85, 146, 170, 353, 365, 425, 706, 730, 850, 1241, 1765, 1825, 2482, 3530, 3650, 6001, 6205, 8825, 12002, 12410, 17650, 25769, 30005, 31025, 51538, 60010, 62050, 128845, 150025, 257690, 300050, 438073, 644225, 876146, 1288450, 2190365, 4380730, 10951825, 21903650]

約数ペア:

[(1, 21903650), (2, 10951825), (5, 4380730), (10, 2190365), (17, 1288450), (25, 876146), (34, 644225), (50, 438073), (73, 300050), (85, 257690), (146, 150025), (170, 128845), (353, 62050), (365, 60010), (425, 51538), (706, 31025), (730, 30005), (850, 25769), (1241, 17650), (1765, 12410), (1825, 12002), (2482, 8825), (3530, 6205), (3650, 6001)]