21638952

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 62337600

約数和(自身を除く): 40698648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 73, 92, 138, 146, 179, 184, 207, 219, 276, 292, 358, 414, 438, 537, 552, 584, 657, 716, 828, 876, 1074, 1314, 1432, 1611, 1656, 1679, 1752, 2148, 2628, 3222, 3358, 4117, 4296, 5037, 5256, 6444, 6716, 8234, 10074, 12351, 12888, 13067, 13432, 15111, 16468, 20148, 24702, 26134, 30222, 32936, 37053, 39201, 40296, 49404, 52268, 60444, 74106, 78402, 98808, 104536, 117603, 120888, 148212, 156804, 235206, 296424, 300541, 313608, 470412, 601082, 901623, 940824, 1202164, 1803246, 2404328, 2704869, 3606492, 5409738, 7212984, 10819476, 21638952]

約数ペア:

[(1, 21638952), (2, 10819476), (3, 7212984), (4, 5409738), (6, 3606492), (8, 2704869), (9, 2404328), (12, 1803246), (18, 1202164), (23, 940824), (24, 901623), (36, 601082), (46, 470412), (69, 313608), (72, 300541), (73, 296424), (92, 235206), (138, 156804), (146, 148212), (179, 120888), (184, 117603), (207, 104536), (219, 98808), (276, 78402), (292, 74106), (358, 60444), (414, 52268), (438, 49404), (537, 40296), (552, 39201), (584, 37053), (657, 32936), (716, 30222), (828, 26134), (876, 24702), (1074, 20148), (1314, 16468), (1432, 15111), (1611, 13432), (1656, 13067), (1679, 12888), (1752, 12351), (2148, 10074), (2628, 8234), (3222, 6716), (3358, 6444), (4117, 5256), (4296, 5037)]