21616322

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1627}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 40478592

約数和(自身を除く): 18862270

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1627, 1898, 3254, 6643, 11389, 13286, 21151, 22778, 42302, 118771, 148057, 237542, 296114, 831397, 1544023, 1662794, 3088046, 10808161, 21616322]

約数ペア:

[(1, 21616322), (2, 10808161), (7, 3088046), (13, 1662794), (14, 1544023), (26, 831397), (73, 296114), (91, 237542), (146, 148057), (182, 118771), (511, 42302), (949, 22778), (1022, 21151), (1627, 13286), (1898, 11389), (3254, 6643)]