21138078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{593}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 45704736

約数和(自身を除く): 24566658

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 457, 593, 914, 1186, 1371, 1779, 2742, 3558, 5941, 7709, 11882, 15418, 17823, 23127, 35646, 46254, 271001, 542002, 813003, 1626006, 3523013, 7046026, 10569039, 21138078]

約数ペア:

[(1, 21138078), (2, 10569039), (3, 7046026), (6, 3523013), (13, 1626006), (26, 813003), (39, 542002), (78, 271001), (457, 46254), (593, 35646), (914, 23127), (1186, 17823), (1371, 15418), (1779, 11882), (2742, 7709), (3558, 5941)]