21149768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3793}}^1$

素因数の和:3857

約数の個数: 32

約数和(自身を含む): 43023960

約数和(自身を除く): 21874192

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 328, 697, 1394, 2788, 3793, 5576, 7586, 15172, 30344, 64481, 128962, 155513, 257924, 311026, 515848, 622052, 1244104, 2643721, 5287442, 10574884, 21149768]

約数ペア:

[(1, 21149768), (2, 10574884), (4, 5287442), (8, 2643721), (17, 1244104), (34, 622052), (41, 515848), (68, 311026), (82, 257924), (136, 155513), (164, 128962), (328, 64481), (697, 30344), (1394, 15172), (2788, 7586), (3793, 5576)]