21821538

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2423}}^1$

素因数の和:2526

約数の個数: 32

約数和(自身を含む): 46540800

約数和(自身を除く): 24719262

約数列:

[1, 2, 3, 6, 19, 38, 57, 79, 114, 158, 237, 474, 1501, 2423, 3002, 4503, 4846, 7269, 9006, 14538, 46037, 92074, 138111, 191417, 276222, 382834, 574251, 1148502, 3636923, 7273846, 10910769, 21821538]

約数ペア:

[(1, 21821538), (2, 10910769), (3, 7273846), (6, 3636923), (19, 1148502), (38, 574251), (57, 382834), (79, 276222), (114, 191417), (158, 138111), (237, 92074), (474, 46037), (1501, 14538), (2423, 9006), (3002, 7269), (4503, 4846)]