21014721042

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{169783}}^1$

素因数の和:170223

約数の個数: 48

約数和(自身を含む): 49007812032

約数和(自身を除く): 27993090990

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 421, 842, 1263, 2526, 2947, 5894, 8841, 17682, 20629, 41258, 61887, 123774, 169783, 339566, 509349, 1018698, 1188481, 2376962, 3565443, 7130886, 8319367, 16638734, 24958101, 49916202, 71478643, 142957286, 214435929, 428871858, 500350501, 1000701002, 1501051503, 3002103006, 3502453507, 7004907014, 10507360521, 21014721042]

約数ペア:

[(1, 21014721042), (2, 10507360521), (3, 7004907014), (6, 3502453507), (7, 3002103006), (14, 1501051503), (21, 1000701002), (42, 500350501), (49, 428871858), (98, 214435929), (147, 142957286), (294, 71478643), (421, 49916202), (842, 24958101), (1263, 16638734), (2526, 8319367), (2947, 7130886), (5894, 3565443), (8841, 2376962), (17682, 1188481), (20629, 1018698), (41258, 509349), (61887, 339566), (123774, 169783)]