21480354

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1129}}^1$

素因数の和:1295

約数の個数: 48

約数和(自身を含む): 53589120

約数和(自身を除く): 32108766

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 151, 302, 453, 906, 1057, 1129, 1359, 2114, 2258, 2718, 3171, 3387, 6342, 6774, 7903, 9513, 10161, 15806, 19026, 20322, 23709, 47418, 71127, 142254, 170479, 340958, 511437, 1022874, 1193353, 1534311, 2386706, 3068622, 3580059, 7160118, 10740177, 21480354]

約数ペア:

[(1, 21480354), (2, 10740177), (3, 7160118), (6, 3580059), (7, 3068622), (9, 2386706), (14, 1534311), (18, 1193353), (21, 1022874), (42, 511437), (63, 340958), (126, 170479), (151, 142254), (302, 71127), (453, 47418), (906, 23709), (1057, 20322), (1129, 19026), (1359, 15806), (2114, 10161), (2258, 9513), (2718, 7903), (3171, 6774), (3387, 6342)]