21650400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 216

約数和(自身を含む): 79619904

約数和(自身を除く): 57969504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 32, 36, 40, 45, 48, 50, 60, 62, 72, 75, 80, 90, 93, 96, 97, 100, 120, 124, 144, 150, 155, 160, 180, 186, 194, 200, 225, 240, 248, 279, 288, 291, 300, 310, 360, 372, 388, 400, 450, 465, 480, 485, 496, 558, 582, 600, 620, 720, 744, 775, 776, 800, 873, 900, 930, 970, 992, 1116, 1164, 1200, 1240, 1395, 1440, 1455, 1488, 1550, 1552, 1746, 1800, 1860, 1940, 2232, 2325, 2328, 2400, 2425, 2480, 2790, 2910, 2976, 3007, 3100, 3104, 3492, 3600, 3720, 3880, 4365, 4464, 4650, 4656, 4850, 4960, 5580, 5820, 6014, 6200, 6975, 6984, 7200, 7275, 7440, 7760, 8730, 8928, 9021, 9300, 9312, 9700, 11160, 11640, 12028, 12400, 13950, 13968, 14550, 14880, 15035, 15520, 17460, 18042, 18600, 19400, 21825, 22320, 23280, 24056, 24800, 27063, 27900, 27936, 29100, 30070, 34920, 36084, 37200, 38800, 43650, 44640, 45105, 46560, 48112, 54126, 55800, 58200, 60140, 69840, 72168, 74400, 75175, 77600, 87300, 90210, 96224, 108252, 111600, 116400, 120280, 135315, 139680, 144336, 150350, 174600, 180420, 216504, 223200, 225525, 232800, 240560, 270630, 288672, 300700, 349200, 360840, 433008, 451050, 481120, 541260, 601400, 676575, 698400, 721680, 866016, 902100, 1082520, 1202800, 1353150, 1443360, 1804200, 2165040, 2405600, 2706300, 3608400, 4330080, 5412600, 7216800, 10825200, 21650400]

約数ペア:

[(1, 21650400), (2, 10825200), (3, 7216800), (4, 5412600), (5, 4330080), (6, 3608400), (8, 2706300), (9, 2405600), (10, 2165040), (12, 1804200), (15, 1443360), (16, 1353150), (18, 1202800), (20, 1082520), (24, 902100), (25, 866016), (30, 721680), (31, 698400), (32, 676575), (36, 601400), (40, 541260), (45, 481120), (48, 451050), (50, 433008), (60, 360840), (62, 349200), (72, 300700), (75, 288672), (80, 270630), (90, 240560), (93, 232800), (96, 225525), (97, 223200), (100, 216504), (120, 180420), (124, 174600), (144, 150350), (150, 144336), (155, 139680), (160, 135315), (180, 120280), (186, 116400), (194, 111600), (200, 108252), (225, 96224), (240, 90210), (248, 87300), (279, 77600), (288, 75175), (291, 74400), (300, 72168), (310, 69840), (360, 60140), (372, 58200), (388, 55800), (400, 54126), (450, 48112), (465, 46560), (480, 45105), (485, 44640), (496, 43650), (558, 38800), (582, 37200), (600, 36084), (620, 34920), (720, 30070), (744, 29100), (775, 27936), (776, 27900), (800, 27063), (873, 24800), (900, 24056), (930, 23280), (970, 22320), (992, 21825), (1116, 19400), (1164, 18600), (1200, 18042), (1240, 17460), (1395, 15520), (1440, 15035), (1455, 14880), (1488, 14550), (1550, 13968), (1552, 13950), (1746, 12400), (1800, 12028), (1860, 11640), (1940, 11160), (2232, 9700), (2325, 9312), (2328, 9300), (2400, 9021), (2425, 8928), (2480, 8730), (2790, 7760), (2910, 7440), (2976, 7275), (3007, 7200), (3100, 6984), (3104, 6975), (3492, 6200), (3600, 6014), (3720, 5820), (3880, 5580), (4365, 4960), (4464, 4850), (4650, 4656)]