21508734

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{881}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 46527264

約数和(自身を除く): 25018530

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 313, 626, 881, 939, 1762, 1878, 2643, 4069, 5286, 8138, 11453, 12207, 22906, 24414, 34359, 68718, 275753, 551506, 827259, 1654518, 3584789, 7169578, 10754367, 21508734]

約数ペア:

[(1, 21508734), (2, 10754367), (3, 7169578), (6, 3584789), (13, 1654518), (26, 827259), (39, 551506), (78, 275753), (313, 68718), (626, 34359), (881, 24414), (939, 22906), (1762, 12207), (1878, 11453), (2643, 8138), (4069, 5286)]