21074880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:806

約数の個数: 112

約数和(自身を含む): 69311520

約数和(自身を除く): 48236640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 757, 870, 928, 960, 1160, 1392, 1514, 1740, 1856, 2271, 2320, 2784, 3028, 3480, 3785, 4542, 4640, 5568, 6056, 6960, 7570, 9084, 9280, 11355, 12112, 13920, 15140, 18168, 21953, 22710, 24224, 27840, 30280, 36336, 43906, 45420, 48448, 60560, 65859, 72672, 87812, 90840, 109765, 121120, 131718, 145344, 175624, 181680, 219530, 242240, 263436, 329295, 351248, 363360, 439060, 526872, 658590, 702496, 726720, 878120, 1053744, 1317180, 1404992, 1756240, 2107488, 2634360, 3512480, 4214976, 5268720, 7024960, 10537440, 21074880]

約数ペア:

[(1, 21074880), (2, 10537440), (3, 7024960), (4, 5268720), (5, 4214976), (6, 3512480), (8, 2634360), (10, 2107488), (12, 1756240), (15, 1404992), (16, 1317180), (20, 1053744), (24, 878120), (29, 726720), (30, 702496), (32, 658590), (40, 526872), (48, 439060), (58, 363360), (60, 351248), (64, 329295), (80, 263436), (87, 242240), (96, 219530), (116, 181680), (120, 175624), (145, 145344), (160, 131718), (174, 121120), (192, 109765), (232, 90840), (240, 87812), (290, 72672), (320, 65859), (348, 60560), (435, 48448), (464, 45420), (480, 43906), (580, 36336), (696, 30280), (757, 27840), (870, 24224), (928, 22710), (960, 21953), (1160, 18168), (1392, 15140), (1514, 13920), (1740, 12112), (1856, 11355), (2271, 9280), (2320, 9084), (2784, 7570), (3028, 6960), (3480, 6056), (3785, 5568), (4542, 4640)]