21434672

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1973}}^1$

素因数の和:2085

約数の個数: 40

約数和(自身を含む): 47976096

約数和(自身を除く): 26541424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 1973, 2716, 3946, 5432, 7892, 10864, 13811, 15784, 27622, 31568, 55244, 110488, 191381, 220976, 382762, 765524, 1339667, 1531048, 2679334, 3062096, 5358668, 10717336, 21434672]

約数ペア:

[(1, 21434672), (2, 10717336), (4, 5358668), (7, 3062096), (8, 2679334), (14, 1531048), (16, 1339667), (28, 765524), (56, 382762), (97, 220976), (112, 191381), (194, 110488), (388, 55244), (679, 31568), (776, 27622), (1358, 15784), (1552, 13811), (1973, 10864), (2716, 7892), (3946, 5432)]