21875436

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 61995024

約数和(自身を除く): 40119588

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1332, 1493, 1628, 2442, 2986, 3663, 4479, 4884, 5972, 7326, 8958, 13437, 14652, 16423, 17916, 26874, 32846, 49269, 53748, 55241, 65692, 98538, 110482, 147807, 165723, 197076, 220964, 295614, 331446, 497169, 591228, 607651, 662892, 994338, 1215302, 1822953, 1988676, 2430604, 3645906, 5468859, 7291812, 10937718, 21875436]

約数ペア:

[(1, 21875436), (2, 10937718), (3, 7291812), (4, 5468859), (6, 3645906), (9, 2430604), (11, 1988676), (12, 1822953), (18, 1215302), (22, 994338), (33, 662892), (36, 607651), (37, 591228), (44, 497169), (66, 331446), (74, 295614), (99, 220964), (111, 197076), (132, 165723), (148, 147807), (198, 110482), (222, 98538), (333, 65692), (396, 55241), (407, 53748), (444, 49269), (666, 32846), (814, 26874), (1221, 17916), (1332, 16423), (1493, 14652), (1628, 13437), (2442, 8958), (2986, 7326), (3663, 5972), (4479, 4884)]