21168400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:329

約数の個数: 120

約数和(自身を含む): 58951584

約数和(自身を除く): 37783184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 170, 176, 187, 200, 220, 272, 275, 283, 340, 374, 400, 425, 440, 550, 566, 680, 748, 850, 880, 935, 1100, 1132, 1360, 1415, 1496, 1700, 1870, 2200, 2264, 2830, 2992, 3113, 3400, 3740, 4400, 4528, 4675, 4811, 5660, 6226, 6800, 7075, 7480, 9350, 9622, 11320, 12452, 14150, 14960, 15565, 18700, 19244, 22640, 24055, 24904, 28300, 31130, 37400, 38488, 48110, 49808, 52921, 56600, 62260, 74800, 76976, 77825, 96220, 105842, 113200, 120275, 124520, 155650, 192440, 211684, 240550, 249040, 264605, 311300, 384880, 423368, 481100, 529210, 622600, 846736, 962200, 1058420, 1245200, 1323025, 1924400, 2116840, 2646050, 4233680, 5292100, 10584200, 21168400]

約数ペア:

[(1, 21168400), (2, 10584200), (4, 5292100), (5, 4233680), (8, 2646050), (10, 2116840), (11, 1924400), (16, 1323025), (17, 1245200), (20, 1058420), (22, 962200), (25, 846736), (34, 622600), (40, 529210), (44, 481100), (50, 423368), (55, 384880), (68, 311300), (80, 264605), (85, 249040), (88, 240550), (100, 211684), (110, 192440), (136, 155650), (170, 124520), (176, 120275), (187, 113200), (200, 105842), (220, 96220), (272, 77825), (275, 76976), (283, 74800), (340, 62260), (374, 56600), (400, 52921), (425, 49808), (440, 48110), (550, 38488), (566, 37400), (680, 31130), (748, 28300), (850, 24904), (880, 24055), (935, 22640), (1100, 19244), (1132, 18700), (1360, 15565), (1415, 14960), (1496, 14150), (1700, 12452), (1870, 11320), (2200, 9622), (2264, 9350), (2830, 7480), (2992, 7075), (3113, 6800), (3400, 6226), (3740, 5660), (4400, 4811), (4528, 4675)]