21283548

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 59458560

約数和(自身を除く): 38175012

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 79, 132, 143, 156, 157, 158, 237, 286, 314, 316, 429, 471, 474, 572, 628, 858, 869, 942, 948, 1027, 1716, 1727, 1738, 1884, 2041, 2054, 2607, 3081, 3454, 3476, 4082, 4108, 5181, 5214, 6123, 6162, 6908, 8164, 10362, 10428, 11297, 12246, 12324, 12403, 20724, 22451, 22594, 24492, 24806, 33891, 37209, 44902, 45188, 49612, 67353, 67782, 74418, 89804, 134706, 135564, 136433, 148836, 161239, 269412, 272866, 322478, 409299, 483717, 545732, 644956, 818598, 967434, 1637196, 1773629, 1934868, 3547258, 5320887, 7094516, 10641774, 21283548]

約数ペア:

[(1, 21283548), (2, 10641774), (3, 7094516), (4, 5320887), (6, 3547258), (11, 1934868), (12, 1773629), (13, 1637196), (22, 967434), (26, 818598), (33, 644956), (39, 545732), (44, 483717), (52, 409299), (66, 322478), (78, 272866), (79, 269412), (132, 161239), (143, 148836), (156, 136433), (157, 135564), (158, 134706), (237, 89804), (286, 74418), (314, 67782), (316, 67353), (429, 49612), (471, 45188), (474, 44902), (572, 37209), (628, 33891), (858, 24806), (869, 24492), (942, 22594), (948, 22451), (1027, 20724), (1716, 12403), (1727, 12324), (1738, 12246), (1884, 11297), (2041, 10428), (2054, 10362), (2607, 8164), (3081, 6908), (3454, 6162), (3476, 6123), (4082, 5214), (4108, 5181)]