21491932

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69779}}^1$

素因数の和:69801

約数の個数: 24

約数和(自身を含む): 46892160

約数和(自身を除く): 25400228

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 69779, 139558, 279116, 488453, 767569, 976906, 1535138, 1953812, 3070276, 5372983, 10745966, 21491932]

約数ペア:

[(1, 21491932), (2, 10745966), (4, 5372983), (7, 3070276), (11, 1953812), (14, 1535138), (22, 976906), (28, 767569), (44, 488453), (77, 279116), (154, 139558), (308, 69779)]