21599200

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:82

約数の個数: 216

約数和(自身を含む): 66792600

約数和(自身を除く): 45193400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 29, 32, 35, 38, 40, 49, 50, 56, 58, 70, 76, 80, 95, 98, 100, 112, 116, 133, 140, 145, 152, 160, 175, 190, 196, 200, 203, 224, 232, 245, 266, 280, 290, 304, 350, 380, 392, 400, 406, 464, 475, 490, 532, 551, 560, 580, 608, 665, 700, 725, 760, 784, 800, 812, 928, 931, 950, 980, 1015, 1064, 1102, 1120, 1160, 1225, 1330, 1400, 1421, 1450, 1520, 1568, 1624, 1862, 1900, 1960, 2030, 2128, 2204, 2320, 2450, 2660, 2755, 2800, 2842, 2900, 3040, 3248, 3325, 3724, 3800, 3857, 3920, 4060, 4256, 4408, 4640, 4655, 4900, 5075, 5320, 5510, 5600, 5684, 5800, 6496, 6650, 7105, 7448, 7600, 7714, 7840, 8120, 8816, 9310, 9800, 10150, 10640, 11020, 11368, 11600, 13300, 13775, 14210, 14896, 15200, 15428, 16240, 17632, 18620, 19285, 19600, 20300, 21280, 22040, 22736, 23200, 23275, 26600, 26999, 27550, 28420, 29792, 30856, 32480, 35525, 37240, 38570, 39200, 40600, 44080, 45472, 46550, 53200, 53998, 55100, 56840, 61712, 71050, 74480, 77140, 81200, 88160, 93100, 96425, 106400, 107996, 110200, 113680, 123424, 134995, 142100, 148960, 154280, 162400, 186200, 192850, 215992, 220400, 227360, 269990, 284200, 308560, 372400, 385700, 431984, 440800, 539980, 568400, 617120, 674975, 744800, 771400, 863968, 1079960, 1136800, 1349950, 1542800, 2159920, 2699900, 3085600, 4319840, 5399800, 10799600, 21599200]

約数ペア:

[(1, 21599200), (2, 10799600), (4, 5399800), (5, 4319840), (7, 3085600), (8, 2699900), (10, 2159920), (14, 1542800), (16, 1349950), (19, 1136800), (20, 1079960), (25, 863968), (28, 771400), (29, 744800), (32, 674975), (35, 617120), (38, 568400), (40, 539980), (49, 440800), (50, 431984), (56, 385700), (58, 372400), (70, 308560), (76, 284200), (80, 269990), (95, 227360), (98, 220400), (100, 215992), (112, 192850), (116, 186200), (133, 162400), (140, 154280), (145, 148960), (152, 142100), (160, 134995), (175, 123424), (190, 113680), (196, 110200), (200, 107996), (203, 106400), (224, 96425), (232, 93100), (245, 88160), (266, 81200), (280, 77140), (290, 74480), (304, 71050), (350, 61712), (380, 56840), (392, 55100), (400, 53998), (406, 53200), (464, 46550), (475, 45472), (490, 44080), (532, 40600), (551, 39200), (560, 38570), (580, 37240), (608, 35525), (665, 32480), (700, 30856), (725, 29792), (760, 28420), (784, 27550), (800, 26999), (812, 26600), (928, 23275), (931, 23200), (950, 22736), (980, 22040), (1015, 21280), (1064, 20300), (1102, 19600), (1120, 19285), (1160, 18620), (1225, 17632), (1330, 16240), (1400, 15428), (1421, 15200), (1450, 14896), (1520, 14210), (1568, 13775), (1624, 13300), (1862, 11600), (1900, 11368), (1960, 11020), (2030, 10640), (2128, 10150), (2204, 9800), (2320, 9310), (2450, 8816), (2660, 8120), (2755, 7840), (2800, 7714), (2842, 7600), (2900, 7448), (3040, 7105), (3248, 6650), (3325, 6496), (3724, 5800), (3800, 5684), (3857, 5600), (3920, 5510), (4060, 5320), (4256, 5075), (4408, 4900), (4640, 4655)]