21659160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{907}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 65376000

約数和(自身を除く): 43716840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 907, 995, 1194, 1592, 1814, 1990, 2388, 2721, 2985, 3628, 3980, 4535, 4776, 5442, 5970, 7256, 7960, 9070, 10884, 11940, 13605, 18140, 21768, 23880, 27210, 36280, 54420, 108840, 180493, 360986, 541479, 721972, 902465, 1082958, 1443944, 1804930, 2165916, 2707395, 3609860, 4331832, 5414790, 7219720, 10829580, 21659160]

約数ペア:

[(1, 21659160), (2, 10829580), (3, 7219720), (4, 5414790), (5, 4331832), (6, 3609860), (8, 2707395), (10, 2165916), (12, 1804930), (15, 1443944), (20, 1082958), (24, 902465), (30, 721972), (40, 541479), (60, 360986), (120, 180493), (199, 108840), (398, 54420), (597, 36280), (796, 27210), (907, 23880), (995, 21768), (1194, 18140), (1592, 13605), (1814, 11940), (1990, 10884), (2388, 9070), (2721, 7960), (2985, 7256), (3628, 5970), (3980, 5442), (4535, 4776)]