21000604412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1\times {\mathrm{274489}}^1$

素因数の和:275141

約数の個数: 24

約数和(自身を含む): 37998199680

約数和(自身を除く): 16997595268

約数列:

[1, 2, 4, 31, 62, 124, 617, 1234, 2468, 19127, 38254, 76508, 274489, 548978, 1097956, 8509159, 17018318, 34036636, 169359713, 338719426, 677438852, 5250151103, 10500302206, 21000604412]

約数ペア:

[(1, 21000604412), (2, 10500302206), (4, 5250151103), (31, 677438852), (62, 338719426), (124, 169359713), (617, 34036636), (1234, 17018318), (2468, 8509159), (19127, 1097956), (38254, 548978), (76508, 274489)]