21031635254

素因数分解:

$2^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{16889}}^1$

素因数の和:17133

約数の個数: 48

約数和(自身を含む): 37361625840

約数和(自身を除く): 16329990586

約数列:

[1, 2, 7, 14, 49, 97, 98, 131, 194, 262, 679, 917, 1358, 1834, 4753, 6419, 9506, 12707, 12838, 16889, 25414, 33778, 88949, 118223, 177898, 236446, 622643, 827561, 1245286, 1638233, 1655122, 2212459, 3276466, 4424918, 11467631, 15487213, 22935262, 30974426, 80273417, 108410491, 160546834, 214608523, 216820982, 429217046, 1502259661, 3004519322, 10515817627, 21031635254]

約数ペア:

[(1, 21031635254), (2, 10515817627), (7, 3004519322), (14, 1502259661), (49, 429217046), (97, 216820982), (98, 214608523), (131, 160546834), (194, 108410491), (262, 80273417), (679, 30974426), (917, 22935262), (1358, 15487213), (1834, 11467631), (4753, 4424918), (6419, 3276466), (9506, 2212459), (12707, 1655122), (12838, 1638233), (16889, 1245286), (25414, 827561), (33778, 622643), (88949, 236446), (118223, 177898)]