21963248

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12829}}^1$

素因数の和:12944

約数の個数: 20

約数和(自身を含む): 42954840

約数和(自身を除く): 20991592

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12829, 25658, 51316, 102632, 205264, 1372703, 2745406, 5490812, 10981624, 21963248]

約数ペア:

[(1, 21963248), (2, 10981624), (4, 5490812), (8, 2745406), (16, 1372703), (107, 205264), (214, 102632), (428, 51316), (856, 25658), (1712, 12829)]