21395088

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1077

約数の個数: 120

約数和(自身を含む): 70412160

約数和(自身を除く): 49017072

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 312, 396, 429, 468, 528, 572, 624, 792, 858, 936, 1039, 1144, 1287, 1584, 1716, 1872, 2078, 2288, 2574, 3117, 3432, 4156, 5148, 6234, 6864, 8312, 9351, 10296, 11429, 12468, 13507, 16624, 18702, 20592, 22858, 24936, 27014, 34287, 37404, 40521, 45716, 49872, 54028, 68574, 74808, 81042, 91432, 102861, 108056, 121563, 137148, 148577, 149616, 162084, 182864, 205722, 216112, 243126, 274296, 297154, 324168, 411444, 445731, 486252, 548592, 594308, 648336, 822888, 891462, 972504, 1188616, 1337193, 1645776, 1782924, 1945008, 2377232, 2674386, 3565848, 5348772, 7131696, 10697544, 21395088]

約数ペア:

[(1, 21395088), (2, 10697544), (3, 7131696), (4, 5348772), (6, 3565848), (8, 2674386), (9, 2377232), (11, 1945008), (12, 1782924), (13, 1645776), (16, 1337193), (18, 1188616), (22, 972504), (24, 891462), (26, 822888), (33, 648336), (36, 594308), (39, 548592), (44, 486252), (48, 445731), (52, 411444), (66, 324168), (72, 297154), (78, 274296), (88, 243126), (99, 216112), (104, 205722), (117, 182864), (132, 162084), (143, 149616), (144, 148577), (156, 137148), (176, 121563), (198, 108056), (208, 102861), (234, 91432), (264, 81042), (286, 74808), (312, 68574), (396, 54028), (429, 49872), (468, 45716), (528, 40521), (572, 37404), (624, 34287), (792, 27014), (858, 24936), (936, 22858), (1039, 20592), (1144, 18702), (1287, 16624), (1584, 13507), (1716, 12468), (1872, 11429), (2078, 10296), (2288, 9351), (2574, 8312), (3117, 6864), (3432, 6234), (4156, 5148)]