21871434

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6521}}^1$

素因数の和:6582

約数の個数: 32

約数和(自身を含む): 48210624

約数和(自身を除く): 26339190

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 6521, 13042, 19563, 39126, 84773, 169546, 254319, 280403, 508638, 560806, 841209, 1682418, 3645239, 7290478, 10935717, 21871434]

約数ペア:

[(1, 21871434), (2, 10935717), (3, 7290478), (6, 3645239), (13, 1682418), (26, 841209), (39, 560806), (43, 508638), (78, 280403), (86, 254319), (129, 169546), (258, 84773), (559, 39126), (1118, 19563), (1677, 13042), (3354, 6521)]