21498064

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1613}}^1$

素因数の和:1652

約数の個数: 60

約数和(自身を含む): 51334884

約数和(自身を除く): 29836820

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 392, 476, 784, 833, 952, 1613, 1666, 1904, 3226, 3332, 6452, 6664, 11291, 12904, 13328, 22582, 25808, 27421, 45164, 54842, 79037, 90328, 109684, 158074, 180656, 191947, 219368, 316148, 383894, 438736, 632296, 767788, 1264592, 1343629, 1535576, 2687258, 3071152, 5374516, 10749032, 21498064]

約数ペア:

[(1, 21498064), (2, 10749032), (4, 5374516), (7, 3071152), (8, 2687258), (14, 1535576), (16, 1343629), (17, 1264592), (28, 767788), (34, 632296), (49, 438736), (56, 383894), (68, 316148), (98, 219368), (112, 191947), (119, 180656), (136, 158074), (196, 109684), (238, 90328), (272, 79037), (392, 54842), (476, 45164), (784, 27421), (833, 25808), (952, 22582), (1613, 13328), (1666, 12904), (1904, 11291), (3226, 6664), (3332, 6452)]