21585486

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 27443634

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 79, 93, 113, 158, 186, 226, 237, 339, 403, 474, 678, 806, 1027, 1209, 1469, 2054, 2418, 2449, 2938, 3081, 3503, 4407, 4898, 6162, 7006, 7347, 8814, 8927, 10509, 14694, 17854, 21018, 26781, 31837, 45539, 53562, 63674, 91078, 95511, 116051, 136617, 191022, 232102, 273234, 276737, 348153, 553474, 696306, 830211, 1660422, 3597581, 7195162, 10792743, 21585486]

約数ペア:

[(1, 21585486), (2, 10792743), (3, 7195162), (6, 3597581), (13, 1660422), (26, 830211), (31, 696306), (39, 553474), (62, 348153), (78, 276737), (79, 273234), (93, 232102), (113, 191022), (158, 136617), (186, 116051), (226, 95511), (237, 91078), (339, 63674), (403, 53562), (474, 45539), (678, 31837), (806, 26781), (1027, 21018), (1209, 17854), (1469, 14694), (2054, 10509), (2418, 8927), (2449, 8814), (2938, 7347), (3081, 7006), (3503, 6162), (4407, 4898)]