21909764401

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{617}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 26478679680

約数和(自身を除く): 4568915279

約数列:

[1, 7, 49, 59, 71, 173, 413, 497, 617, 1211, 2891, 3479, 4189, 4319, 8477, 10207, 12283, 29323, 30233, 36403, 43807, 71449, 85981, 106741, 205261, 254821, 306649, 500143, 601867, 724697, 747187, 1783747, 2146543, 2584613, 5072879, 5230309, 6297719, 7578611, 18092291, 35510153, 44084033, 53050277, 126646037, 308588231, 371351939, 447138049, 3129966343, 21909764401]

約数ペア:

[(1, 21909764401), (7, 3129966343), (49, 447138049), (59, 371351939), (71, 308588231), (173, 126646037), (413, 53050277), (497, 44084033), (617, 35510153), (1211, 18092291), (2891, 7578611), (3479, 6297719), (4189, 5230309), (4319, 5072879), (8477, 2584613), (10207, 2146543), (12283, 1783747), (29323, 747187), (30233, 724697), (36403, 601867), (43807, 500143), (71449, 306649), (85981, 254821), (106741, 205261)]