21183526

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 39352320

約数和(自身を除く): 18168794

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 239, 478, 487, 974, 1673, 3107, 3346, 3409, 6214, 6331, 6818, 12662, 21749, 43498, 44317, 88634, 116393, 232786, 814751, 1513109, 1629502, 3026218, 10591763, 21183526]

約数ペア:

[(1, 21183526), (2, 10591763), (7, 3026218), (13, 1629502), (14, 1513109), (26, 814751), (91, 232786), (182, 116393), (239, 88634), (478, 44317), (487, 43498), (974, 21749), (1673, 12662), (3107, 6818), (3346, 6331), (3409, 6214)]