21167473768

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1171}}^1\times {\mathrm{7873}}^1$

素因数の和:9098

約数の個数: 64

約数和(自身を含む): 46510773120

約数和(自身を除く): 25343299352

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 1171, 2296, 2342, 4684, 7873, 8197, 9368, 15746, 16394, 31492, 32788, 48011, 55111, 62984, 65576, 96022, 110222, 192044, 220444, 322793, 336077, 384088, 440888, 645586, 672154, 1291172, 1344308, 2259551, 2582344, 2688616, 4519102, 9038204, 9219283, 18076408, 18438566, 36877132, 64534981, 73754264, 129069962, 258139924, 377990603, 516279848, 755981206, 1511962412, 2645934221, 3023924824, 5291868442, 10583736884, 21167473768]

約数ペア:

[(1, 21167473768), (2, 10583736884), (4, 5291868442), (7, 3023924824), (8, 2645934221), (14, 1511962412), (28, 755981206), (41, 516279848), (56, 377990603), (82, 258139924), (164, 129069962), (287, 73754264), (328, 64534981), (574, 36877132), (1148, 18438566), (1171, 18076408), (2296, 9219283), (2342, 9038204), (4684, 4519102), (7873, 2688616), (8197, 2582344), (9368, 2259551), (15746, 1344308), (16394, 1291172), (31492, 672154), (32788, 645586), (48011, 440888), (55111, 384088), (62984, 336077), (65576, 322793), (96022, 220444), (110222, 192044)]