21570297944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{338347}}^1$

素因数の和:338979

約数の個数: 32

約数和(自身を含む): 43626591120

約数和(自身を除く): 22056293176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 613, 1226, 2452, 4904, 7969, 15938, 31876, 63752, 338347, 676694, 1353388, 2706776, 4398511, 8797022, 17594044, 35188088, 207406711, 414813422, 829626844, 1659253688, 2696287243, 5392574486, 10785148972, 21570297944]

約数ペア:

[(1, 21570297944), (2, 10785148972), (4, 5392574486), (8, 2696287243), (13, 1659253688), (26, 829626844), (52, 414813422), (104, 207406711), (613, 35188088), (1226, 17594044), (2452, 8797022), (4904, 4398511), (7969, 2706776), (15938, 1353388), (31876, 676694), (63752, 338347)]