21000932238

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{3347}}^1$

素因数の和:3550

約数の個数: 128

約数和(自身を含む): 50540765184

約数和(自身を除く): 29539832946

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 103, 142, 143, 206, 213, 286, 309, 426, 429, 618, 781, 858, 923, 1133, 1339, 1562, 1846, 2266, 2343, 2678, 2769, 3347, 3399, 4017, 4686, 5538, 6694, 6798, 7313, 8034, 10041, 10153, 14626, 14729, 20082, 20306, 21939, 29458, 30459, 36817, 43511, 43878, 44187, 60918, 73634, 80443, 87022, 88374, 95069, 110451, 130533, 160886, 190138, 220902, 237637, 241329, 261066, 285207, 344741, 475274, 478621, 482658, 570414, 689482, 712911, 957242, 1034223, 1045759, 1425822, 1435863, 2068446, 2091518, 2614007, 2871726, 3089281, 3137277, 3792151, 4481633, 5228014, 6178562, 6274554, 7584302, 7842021, 8963266, 9267843, 11376453, 13444899, 15684042, 18535686, 22752906, 24476611, 26889798, 33982091, 48953222, 49297963, 67964182, 73429833, 98595926, 101946273, 146859666, 147893889, 203892546, 269242721, 295787778, 318195943, 538485442, 636391886, 807728163, 954587829, 1615456326, 1909175658, 3500155373, 7000310746, 10500466119, 21000932238]

約数ペア:

[(1, 21000932238), (2, 10500466119), (3, 7000310746), (6, 3500155373), (11, 1909175658), (13, 1615456326), (22, 954587829), (26, 807728163), (33, 636391886), (39, 538485442), (66, 318195943), (71, 295787778), (78, 269242721), (103, 203892546), (142, 147893889), (143, 146859666), (206, 101946273), (213, 98595926), (286, 73429833), (309, 67964182), (426, 49297963), (429, 48953222), (618, 33982091), (781, 26889798), (858, 24476611), (923, 22752906), (1133, 18535686), (1339, 15684042), (1562, 13444899), (1846, 11376453), (2266, 9267843), (2343, 8963266), (2678, 7842021), (2769, 7584302), (3347, 6274554), (3399, 6178562), (4017, 5228014), (4686, 4481633), (5538, 3792151), (6694, 3137277), (6798, 3089281), (7313, 2871726), (8034, 2614007), (10041, 2091518), (10153, 2068446), (14626, 1435863), (14729, 1425822), (20082, 1045759), (20306, 1034223), (21939, 957242), (29458, 712911), (30459, 689482), (36817, 570414), (43511, 482658), (43878, 478621), (44187, 475274), (60918, 344741), (73634, 285207), (80443, 261066), (87022, 241329), (88374, 237637), (95069, 220902), (110451, 190138), (130533, 160886)]