21941732

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{643}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 40572000

約数和(自身を除く): 18630268

約数列:

[1, 2, 4, 19, 38, 76, 449, 643, 898, 1286, 1796, 2572, 8531, 12217, 17062, 24434, 34124, 48868, 288707, 577414, 1154828, 5485433, 10970866, 21941732]

約数ペア:

[(1, 21941732), (2, 10970866), (4, 5485433), (19, 1154828), (38, 577414), (76, 288707), (449, 48868), (643, 34124), (898, 24434), (1286, 17062), (1796, 12217), (2572, 8531)]