210920178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4987}}^1$

素因数の和:5071

約数の個数: 64

約数和(自身を含む): 517155840

約数和(自身を除く): 306235662

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 53, 57, 106, 114, 133, 159, 266, 318, 371, 399, 742, 798, 1007, 1113, 2014, 2226, 3021, 4987, 6042, 7049, 9974, 14098, 14961, 21147, 29922, 34909, 42294, 69818, 94753, 104727, 189506, 209454, 264311, 284259, 528622, 568518, 663271, 792933, 1326542, 1585866, 1850177, 1989813, 3700354, 3979626, 5021909, 5550531, 10043818, 11101062, 15065727, 30131454, 35153363, 70306726, 105460089, 210920178]

約数ペア:

[(1, 210920178), (2, 105460089), (3, 70306726), (6, 35153363), (7, 30131454), (14, 15065727), (19, 11101062), (21, 10043818), (38, 5550531), (42, 5021909), (53, 3979626), (57, 3700354), (106, 1989813), (114, 1850177), (133, 1585866), (159, 1326542), (266, 792933), (318, 663271), (371, 568518), (399, 528622), (742, 284259), (798, 264311), (1007, 209454), (1113, 189506), (2014, 104727), (2226, 94753), (3021, 69818), (4987, 42294), (6042, 34909), (7049, 29922), (9974, 21147), (14098, 14961)]