21397038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11927}}^1$

素因数の和:11968

約数の個数: 32

約数和(自身を含む): 48093696

約数和(自身を除く): 26696658

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11927, 23854, 35781, 71562, 155051, 274321, 310102, 465153, 548642, 822963, 930306, 1645926, 3566173, 7132346, 10698519, 21397038]

約数ペア:

[(1, 21397038), (2, 10698519), (3, 7132346), (6, 3566173), (13, 1645926), (23, 930306), (26, 822963), (39, 548642), (46, 465153), (69, 310102), (78, 274321), (138, 155051), (299, 71562), (598, 35781), (897, 23854), (1794, 11927)]