21139944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5471}}^1$

素因数の和:5510

約数の個数: 64

約数和(自身を含む): 63037440

約数和(自身を除く): 41897496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 483, 552, 644, 966, 1288, 1932, 3864, 5471, 10942, 16413, 21884, 32826, 38297, 43768, 65652, 76594, 114891, 125833, 131304, 153188, 229782, 251666, 306376, 377499, 459564, 503332, 754998, 880831, 919128, 1006664, 1509996, 1761662, 2642493, 3019992, 3523324, 5284986, 7046648, 10569972, 21139944]

約数ペア:

[(1, 21139944), (2, 10569972), (3, 7046648), (4, 5284986), (6, 3523324), (7, 3019992), (8, 2642493), (12, 1761662), (14, 1509996), (21, 1006664), (23, 919128), (24, 880831), (28, 754998), (42, 503332), (46, 459564), (56, 377499), (69, 306376), (84, 251666), (92, 229782), (138, 153188), (161, 131304), (168, 125833), (184, 114891), (276, 76594), (322, 65652), (483, 43768), (552, 38297), (644, 32826), (966, 21884), (1288, 16413), (1932, 10942), (3864, 5471)]