2021126065

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{13597}}^1$

素因数の和:13777

約数の個数: 32

約数和(自身を含む): 2882340864

約数和(自身を除く): 861214799

約数列:

[1, 5, 7, 31, 35, 137, 155, 217, 685, 959, 1085, 4247, 4795, 13597, 21235, 29729, 67985, 95179, 148645, 421507, 475895, 1862789, 2107535, 2950549, 9313945, 13039523, 14752745, 57746459, 65197615, 288732295, 404225213, 2021126065]

約数ペア:

[(1, 2021126065), (5, 404225213), (7, 288732295), (31, 65197615), (35, 57746459), (137, 14752745), (155, 13039523), (217, 9313945), (685, 2950549), (959, 2107535), (1085, 1862789), (4247, 475895), (4795, 421507), (13597, 148645), (21235, 95179), (29729, 67985)]