21844542860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2557909}}^1$

素因数の和:2557986

約数の個数: 48

約数和(自身を含む): 53286381120

約数和(自身を除く): 31441838260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 2557909, 5115818, 10231636, 12789545, 17905363, 25579090, 35810726, 51158180, 71621452, 89526815, 156032449, 179053630, 312064898, 358107260, 624129796, 780162245, 1092227143, 1560324490, 2184454286, 3120648980, 4368908572, 5461135715, 10922271430, 21844542860]

約数ペア:

[(1, 21844542860), (2, 10922271430), (4, 5461135715), (5, 4368908572), (7, 3120648980), (10, 2184454286), (14, 1560324490), (20, 1092227143), (28, 780162245), (35, 624129796), (61, 358107260), (70, 312064898), (122, 179053630), (140, 156032449), (244, 89526815), (305, 71621452), (427, 51158180), (610, 35810726), (854, 25579090), (1220, 17905363), (1708, 12789545), (2135, 10231636), (4270, 5115818), (8540, 2557909)]