21962864

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17827}}^1$

素因数の和:17853

約数の個数: 40

約数和(自身を含む): 53056128

約数和(自身を除く): 31093264

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17827, 35654, 71308, 124789, 142616, 196097, 249578, 285232, 392194, 499156, 784388, 998312, 1372679, 1568776, 1996624, 2745358, 3137552, 5490716, 10981432, 21962864]

約数ペア:

[(1, 21962864), (2, 10981432), (4, 5490716), (7, 3137552), (8, 2745358), (11, 1996624), (14, 1568776), (16, 1372679), (22, 998312), (28, 784388), (44, 499156), (56, 392194), (77, 285232), (88, 249578), (112, 196097), (154, 142616), (176, 124789), (308, 71308), (616, 35654), (1232, 17827)]