21313782

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 36343818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 29, 38, 42, 57, 58, 63, 87, 114, 126, 133, 171, 174, 203, 261, 266, 307, 342, 399, 406, 522, 551, 609, 614, 798, 921, 1102, 1197, 1218, 1653, 1827, 1842, 2149, 2394, 2763, 3306, 3654, 3857, 4298, 4959, 5526, 5833, 6447, 7714, 8903, 9918, 11571, 11666, 12894, 17499, 17806, 19341, 23142, 26709, 34713, 34998, 38682, 40831, 52497, 53418, 62321, 69426, 80127, 81662, 104994, 122493, 124642, 160254, 169157, 186963, 244986, 338314, 367479, 373926, 507471, 560889, 734958, 1014942, 1121778, 1184099, 1522413, 2368198, 3044826, 3552297, 7104594, 10656891, 21313782]

約数ペア:

[(1, 21313782), (2, 10656891), (3, 7104594), (6, 3552297), (7, 3044826), (9, 2368198), (14, 1522413), (18, 1184099), (19, 1121778), (21, 1014942), (29, 734958), (38, 560889), (42, 507471), (57, 373926), (58, 367479), (63, 338314), (87, 244986), (114, 186963), (126, 169157), (133, 160254), (171, 124642), (174, 122493), (203, 104994), (261, 81662), (266, 80127), (307, 69426), (342, 62321), (399, 53418), (406, 52497), (522, 40831), (551, 38682), (609, 34998), (614, 34713), (798, 26709), (921, 23142), (1102, 19341), (1197, 17806), (1218, 17499), (1653, 12894), (1827, 11666), (1842, 11571), (2149, 9918), (2394, 8903), (2763, 7714), (3306, 6447), (3654, 5833), (3857, 5526), (4298, 4959)]