21245400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 288

約数和(自身を含む): 82695600

約数和(自身を除く): 61450200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 29, 30, 33, 36, 37, 40, 44, 45, 50, 55, 58, 60, 66, 72, 74, 75, 87, 88, 90, 99, 100, 110, 111, 116, 120, 132, 145, 148, 150, 165, 174, 180, 185, 198, 200, 220, 222, 225, 232, 261, 264, 275, 290, 296, 300, 319, 330, 333, 348, 360, 370, 396, 407, 435, 440, 444, 450, 495, 522, 550, 555, 580, 600, 638, 660, 666, 696, 725, 740, 792, 814, 825, 870, 888, 900, 925, 957, 990, 1044, 1073, 1100, 1110, 1160, 1221, 1276, 1305, 1320, 1332, 1450, 1480, 1595, 1628, 1650, 1665, 1740, 1800, 1850, 1914, 1980, 2035, 2088, 2146, 2175, 2200, 2220, 2442, 2475, 2552, 2610, 2664, 2775, 2871, 2900, 3190, 3219, 3256, 3300, 3330, 3480, 3663, 3700, 3828, 3960, 4070, 4292, 4350, 4440, 4785, 4884, 4950, 5220, 5365, 5550, 5742, 5800, 6105, 6380, 6438, 6525, 6600, 6660, 7326, 7400, 7656, 7975, 8140, 8325, 8584, 8700, 9570, 9657, 9768, 9900, 10175, 10440, 10730, 11100, 11484, 11803, 12210, 12760, 12876, 13050, 13320, 14355, 14652, 15950, 16095, 16280, 16650, 17400, 18315, 19140, 19314, 19800, 20350, 21460, 22200, 22968, 23606, 23925, 24420, 25752, 26100, 26825, 28710, 29304, 30525, 31900, 32190, 33300, 35409, 36630, 38280, 38628, 40700, 42920, 47212, 47850, 48285, 48840, 52200, 53650, 57420, 59015, 61050, 63800, 64380, 66600, 70818, 71775, 73260, 77256, 80475, 81400, 91575, 94424, 95700, 96570, 106227, 107300, 114840, 118030, 122100, 128760, 141636, 143550, 146520, 160950, 177045, 183150, 191400, 193140, 212454, 214600, 236060, 241425, 244200, 283272, 287100, 295075, 321900, 354090, 366300, 386280, 424908, 472120, 482850, 531135, 574200, 590150, 643800, 708180, 732600, 849816, 885225, 965700, 1062270, 1180300, 1416360, 1770450, 1931400, 2124540, 2360600, 2655675, 3540900, 4249080, 5311350, 7081800, 10622700, 21245400]

約数ペア:

[(1, 21245400), (2, 10622700), (3, 7081800), (4, 5311350), (5, 4249080), (6, 3540900), (8, 2655675), (9, 2360600), (10, 2124540), (11, 1931400), (12, 1770450), (15, 1416360), (18, 1180300), (20, 1062270), (22, 965700), (24, 885225), (25, 849816), (29, 732600), (30, 708180), (33, 643800), (36, 590150), (37, 574200), (40, 531135), (44, 482850), (45, 472120), (50, 424908), (55, 386280), (58, 366300), (60, 354090), (66, 321900), (72, 295075), (74, 287100), (75, 283272), (87, 244200), (88, 241425), (90, 236060), (99, 214600), (100, 212454), (110, 193140), (111, 191400), (116, 183150), (120, 177045), (132, 160950), (145, 146520), (148, 143550), (150, 141636), (165, 128760), (174, 122100), (180, 118030), (185, 114840), (198, 107300), (200, 106227), (220, 96570), (222, 95700), (225, 94424), (232, 91575), (261, 81400), (264, 80475), (275, 77256), (290, 73260), (296, 71775), (300, 70818), (319, 66600), (330, 64380), (333, 63800), (348, 61050), (360, 59015), (370, 57420), (396, 53650), (407, 52200), (435, 48840), (440, 48285), (444, 47850), (450, 47212), (495, 42920), (522, 40700), (550, 38628), (555, 38280), (580, 36630), (600, 35409), (638, 33300), (660, 32190), (666, 31900), (696, 30525), (725, 29304), (740, 28710), (792, 26825), (814, 26100), (825, 25752), (870, 24420), (888, 23925), (900, 23606), (925, 22968), (957, 22200), (990, 21460), (1044, 20350), (1073, 19800), (1100, 19314), (1110, 19140), (1160, 18315), (1221, 17400), (1276, 16650), (1305, 16280), (1320, 16095), (1332, 15950), (1450, 14652), (1480, 14355), (1595, 13320), (1628, 13050), (1650, 12876), (1665, 12760), (1740, 12210), (1800, 11803), (1850, 11484), (1914, 11100), (1980, 10730), (2035, 10440), (2088, 10175), (2146, 9900), (2175, 9768), (2200, 9657), (2220, 9570), (2442, 8700), (2475, 8584), (2552, 8325), (2610, 8140), (2664, 7975), (2775, 7656), (2871, 7400), (2900, 7326), (3190, 6660), (3219, 6600), (3256, 6525), (3300, 6438), (3330, 6380), (3480, 6105), (3663, 5800), (3700, 5742), (3828, 5550), (3960, 5365), (4070, 5220), (4292, 4950), (4350, 4884), (4440, 4785)]