21879481839

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{49613}}^1$

素因数の和:49819

約数の個数: 32

約数和(自身を含む): 31221097920

約数和(自身を除く): 9341616081

約数列:

[1, 3, 29, 37, 87, 111, 137, 411, 1073, 3219, 3973, 5069, 11919, 15207, 49613, 147001, 148839, 441003, 1438777, 1835681, 4316331, 5507043, 6796981, 20390943, 53234749, 159704247, 197112449, 251488297, 591337347, 754464891, 7293160613, 21879481839]

約数ペア:

[(1, 21879481839), (3, 7293160613), (29, 754464891), (37, 591337347), (87, 251488297), (111, 197112449), (137, 159704247), (411, 53234749), (1073, 20390943), (3219, 6796981), (3973, 5507043), (5069, 4316331), (11919, 1835681), (15207, 1438777), (49613, 441003), (147001, 148839)]