21729087215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{51691}}^1\times {\mathrm{7643}}^1$

素因数の和:59350

約数の個数: 16

約数和(自身を含む): 28449622656

約数和(自身を除く): 6720535441

約数列:

[1, 5, 11, 55, 7643, 38215, 51691, 84073, 258455, 420365, 568601, 2843005, 395074313, 1975371565, 4345817443, 21729087215]

約数ペア:

[(1, 21729087215), (5, 4345817443), (11, 1975371565), (55, 395074313), (7643, 2843005), (38215, 568601), (51691, 420365), (84073, 258455)]