21085915691288

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{116491}}^1\times {\mathrm{32003}}^1$

素因数の和:148608

約数の個数: 64

約数和(自身を含む): 45633290008320

約数和(自身を除く): 24547374317032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 5656, 32003, 64006, 116491, 128012, 224021, 232982, 256024, 448042, 465964, 815437, 896084, 931928, 1630874, 1792168, 3232303, 3261748, 6464606, 6523496, 11765591, 12929212, 22626121, 23531182, 25858424, 45252242, 47062364, 82359137, 90504484, 94124728, 164718274, 181008968, 329436548, 658873096, 3728061473, 7456122946, 14912245892, 26096430311, 29824491784, 52192860622, 104385721244, 208771442488, 376534208773, 753068417546, 1506136835092, 2635739461411, 3012273670184, 5271478922822, 10542957845644, 21085915691288]

約数ペア:

[(1, 21085915691288), (2, 10542957845644), (4, 5271478922822), (7, 3012273670184), (8, 2635739461411), (14, 1506136835092), (28, 753068417546), (56, 376534208773), (101, 208771442488), (202, 104385721244), (404, 52192860622), (707, 29824491784), (808, 26096430311), (1414, 14912245892), (2828, 7456122946), (5656, 3728061473), (32003, 658873096), (64006, 329436548), (116491, 181008968), (128012, 164718274), (224021, 94124728), (232982, 90504484), (256024, 82359137), (448042, 47062364), (465964, 45252242), (815437, 25858424), (896084, 23531182), (931928, 22626121), (1630874, 12929212), (1792168, 11765591), (3232303, 6523496), (3261748, 6464606)]