21422600

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 53032320

約数和(自身を除く): 31609720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 47, 50, 53, 86, 94, 100, 106, 172, 188, 200, 212, 215, 235, 265, 344, 376, 424, 430, 470, 530, 860, 940, 1060, 1075, 1175, 1325, 1720, 1880, 2021, 2120, 2150, 2279, 2350, 2491, 2650, 4042, 4300, 4558, 4700, 4982, 5300, 8084, 8600, 9116, 9400, 9964, 10105, 10600, 11395, 12455, 16168, 18232, 19928, 20210, 22790, 24910, 40420, 45580, 49820, 50525, 56975, 62275, 80840, 91160, 99640, 101050, 107113, 113950, 124550, 202100, 214226, 227900, 249100, 404200, 428452, 455800, 498200, 535565, 856904, 1071130, 2142260, 2677825, 4284520, 5355650, 10711300, 21422600]

約数ペア:

[(1, 21422600), (2, 10711300), (4, 5355650), (5, 4284520), (8, 2677825), (10, 2142260), (20, 1071130), (25, 856904), (40, 535565), (43, 498200), (47, 455800), (50, 428452), (53, 404200), (86, 249100), (94, 227900), (100, 214226), (106, 202100), (172, 124550), (188, 113950), (200, 107113), (212, 101050), (215, 99640), (235, 91160), (265, 80840), (344, 62275), (376, 56975), (424, 50525), (430, 49820), (470, 45580), (530, 40420), (860, 24910), (940, 22790), (1060, 20210), (1075, 19928), (1175, 18232), (1325, 16168), (1720, 12455), (1880, 11395), (2021, 10600), (2120, 10105), (2150, 9964), (2279, 9400), (2350, 9116), (2491, 8600), (2650, 8084), (4042, 5300), (4300, 4982), (4558, 4700)]