21000746454

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:846

約数の個数: 96

約数和(自身を含む): 44909497440

約数和(自身を除く): 23908750986

約数列:

[1, 2, 3, 6, 31, 37, 62, 74, 93, 111, 173, 186, 222, 346, 519, 569, 961, 1038, 1138, 1147, 1707, 1922, 2294, 2883, 3414, 3441, 5363, 5766, 6401, 6882, 10726, 12802, 16089, 17639, 19203, 21053, 32178, 35278, 35557, 38406, 42106, 52917, 63159, 71114, 98437, 105834, 106671, 126318, 166253, 196874, 198431, 213342, 295311, 332506, 396862, 498759, 546809, 590622, 595293, 652643, 997518, 1093618, 1190586, 1305286, 1640427, 1957929, 3051547, 3280854, 3642169, 3915858, 6103094, 6151361, 7284338, 9154641, 10926507, 12302722, 18309282, 18454083, 20231933, 21853014, 36908166, 40463866, 60695799, 94597957, 112907239, 121391598, 189195914, 225814478, 283793871, 338721717, 567587742, 677443434, 3500124409, 7000248818, 10500373227, 21000746454]

約数ペア:

[(1, 21000746454), (2, 10500373227), (3, 7000248818), (6, 3500124409), (31, 677443434), (37, 567587742), (62, 338721717), (74, 283793871), (93, 225814478), (111, 189195914), (173, 121391598), (186, 112907239), (222, 94597957), (346, 60695799), (519, 40463866), (569, 36908166), (961, 21853014), (1038, 20231933), (1138, 18454083), (1147, 18309282), (1707, 12302722), (1922, 10926507), (2294, 9154641), (2883, 7284338), (3414, 6151361), (3441, 6103094), (5363, 3915858), (5766, 3642169), (6401, 3280854), (6882, 3051547), (10726, 1957929), (12802, 1640427), (16089, 1305286), (17639, 1190586), (19203, 1093618), (21053, 997518), (32178, 652643), (35278, 595293), (35557, 590622), (38406, 546809), (42106, 498759), (52917, 396862), (63159, 332506), (71114, 295311), (98437, 213342), (105834, 198431), (106671, 196874), (126318, 166253)]