16821508729529

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{5701}}^1\times {\mathrm{141023}}^1$

素因数の和:146806

約数の個数: 32

約数和(自身を含む): 19942147430400

約数和(自身を除く): 3120638700871

約数列:

[1, 7, 49, 61, 343, 427, 2989, 5701, 20923, 39907, 141023, 279349, 347761, 987161, 1955443, 2434327, 6910127, 8602403, 17040289, 48370889, 60216821, 119282023, 421517747, 803972123, 2950624229, 5627804861, 39394634027, 49042299503, 275762438189, 343296096521, 2403072675647, 16821508729529]

約数ペア:

[(1, 16821508729529), (7, 2403072675647), (49, 343296096521), (61, 275762438189), (343, 49042299503), (427, 39394634027), (2989, 5627804861), (5701, 2950624229), (20923, 803972123), (39907, 421517747), (141023, 119282023), (279349, 60216821), (347761, 48370889), (987161, 17040289), (1955443, 8602403), (2434327, 6910127)]