20211594018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{3299}}^1$

素因数の和:3560

約数の個数: 128

約数和(自身を含む): 51321600000

約数和(自身を除く): 31110005982

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 89, 149, 154, 178, 231, 267, 298, 447, 462, 534, 623, 894, 979, 1043, 1246, 1639, 1869, 1958, 2086, 2937, 3129, 3278, 3299, 3738, 4917, 5874, 6258, 6598, 6853, 9834, 9897, 11473, 13261, 13706, 19794, 20559, 22946, 23093, 26522, 34419, 36289, 39783, 41118, 46186, 68838, 69279, 72578, 79566, 92827, 108867, 138558, 145871, 185654, 217734, 254023, 278481, 291742, 293611, 437613, 491551, 508046, 556962, 587222, 762069, 875226, 880833, 983102, 1021097, 1474653, 1524138, 1761666, 2042194, 2055277, 2949306, 3063291, 3229721, 3440857, 4110554, 5407061, 6126582, 6165831, 6459442, 6881714, 9689163, 10322571, 10814122, 12331662, 16221183, 19378326, 20645142, 22608047, 32442366, 37849427, 43748039, 45216094, 67824141, 75698854, 87496078, 113548281, 131244117, 135648282, 227096562, 262488234, 306236273, 481228429, 612472546, 918708819, 962456858, 1443685287, 1837417638, 2887370574, 3368599003, 6737198006, 10105797009, 20211594018]

約数ペア:

[(1, 20211594018), (2, 10105797009), (3, 6737198006), (6, 3368599003), (7, 2887370574), (11, 1837417638), (14, 1443685287), (21, 962456858), (22, 918708819), (33, 612472546), (42, 481228429), (66, 306236273), (77, 262488234), (89, 227096562), (149, 135648282), (154, 131244117), (178, 113548281), (231, 87496078), (267, 75698854), (298, 67824141), (447, 45216094), (462, 43748039), (534, 37849427), (623, 32442366), (894, 22608047), (979, 20645142), (1043, 19378326), (1246, 16221183), (1639, 12331662), (1869, 10814122), (1958, 10322571), (2086, 9689163), (2937, 6881714), (3129, 6459442), (3278, 6165831), (3299, 6126582), (3738, 5407061), (4917, 4110554), (5874, 3440857), (6258, 3229721), (6598, 3063291), (6853, 2949306), (9834, 2055277), (9897, 2042194), (11473, 1761666), (13261, 1524138), (13706, 1474653), (19794, 1021097), (20559, 983102), (22946, 880833), (23093, 875226), (26522, 762069), (34419, 587222), (36289, 556962), (39783, 508046), (41118, 491551), (46186, 437613), (68838, 293611), (69279, 291742), (72578, 278481), (79566, 254023), (92827, 217734), (108867, 185654), (138558, 145871)]