21607430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2341}}^1$

素因数の和:2432

約数の個数: 32

約数和(自身を含む): 42493248

約数和(自身を除く): 20885818

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2341, 4615, 4682, 9230, 11705, 23410, 30433, 60866, 152165, 166211, 304330, 332422, 831055, 1662110, 2160743, 4321486, 10803715, 21607430]

約数ペア:

[(1, 21607430), (2, 10803715), (5, 4321486), (10, 2160743), (13, 1662110), (26, 831055), (65, 332422), (71, 304330), (130, 166211), (142, 152165), (355, 60866), (710, 30433), (923, 23410), (1846, 11705), (2341, 9230), (4615, 4682)]