21693186

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{859}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 49907520

約数和(自身を除く): 28214334

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 61, 69, 122, 138, 183, 207, 366, 414, 549, 859, 1098, 1403, 1718, 2577, 2806, 4209, 5154, 7731, 8418, 12627, 15462, 19757, 25254, 39514, 52399, 59271, 104798, 118542, 157197, 177813, 314394, 355626, 471591, 943182, 1205177, 2410354, 3615531, 7231062, 10846593, 21693186]

約数ペア:

[(1, 21693186), (2, 10846593), (3, 7231062), (6, 3615531), (9, 2410354), (18, 1205177), (23, 943182), (46, 471591), (61, 355626), (69, 314394), (122, 177813), (138, 157197), (183, 118542), (207, 104798), (366, 59271), (414, 52399), (549, 39514), (859, 25254), (1098, 19757), (1403, 15462), (1718, 12627), (2577, 8418), (2806, 7731), (4209, 5154)]