21694728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2278

約数の個数: 64

約数和(自身を含む): 60793920

約数和(自身を除く): 39099192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 66, 74, 88, 111, 132, 148, 222, 264, 296, 407, 444, 814, 888, 1221, 1628, 2221, 2442, 3256, 4442, 4884, 6663, 8884, 9768, 13326, 17768, 24431, 26652, 48862, 53304, 73293, 82177, 97724, 146586, 164354, 195448, 246531, 293172, 328708, 493062, 586344, 657416, 903947, 986124, 1807894, 1972248, 2711841, 3615788, 5423682, 7231576, 10847364, 21694728]

約数ペア:

[(1, 21694728), (2, 10847364), (3, 7231576), (4, 5423682), (6, 3615788), (8, 2711841), (11, 1972248), (12, 1807894), (22, 986124), (24, 903947), (33, 657416), (37, 586344), (44, 493062), (66, 328708), (74, 293172), (88, 246531), (111, 195448), (132, 164354), (148, 146586), (222, 97724), (264, 82177), (296, 73293), (407, 53304), (444, 48862), (814, 26652), (888, 24431), (1221, 17768), (1628, 13326), (2221, 9768), (2442, 8884), (3256, 6663), (4442, 4884)]