21578622

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7477}}^1$

素因数の和:7532

約数の個数: 32

約数和(自身を含む): 47739552

約数和(自身を除く): 26160930

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 7477, 14954, 22431, 44862, 97201, 194402, 276649, 291603, 553298, 583206, 829947, 1659894, 3596437, 7192874, 10789311, 21578622]

約数ペア:

[(1, 21578622), (2, 10789311), (3, 7192874), (6, 3596437), (13, 1659894), (26, 829947), (37, 583206), (39, 553298), (74, 291603), (78, 276649), (111, 194402), (222, 97201), (481, 44862), (962, 22431), (1443, 14954), (2886, 7477)]