21186900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:108

約数の個数: 288

約数和(自身を含む): 83328000

約数和(自身を除く): 62141100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 27, 28, 30, 35, 36, 38, 42, 45, 50, 54, 57, 59, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 108, 114, 118, 126, 133, 135, 140, 150, 171, 175, 177, 180, 189, 190, 210, 225, 228, 236, 252, 266, 270, 285, 295, 300, 315, 342, 350, 354, 378, 380, 399, 413, 420, 450, 475, 513, 525, 531, 532, 540, 570, 590, 630, 665, 675, 684, 700, 708, 756, 798, 826, 855, 885, 900, 945, 950, 1026, 1050, 1062, 1121, 1140, 1180, 1197, 1239, 1260, 1330, 1350, 1425, 1475, 1575, 1593, 1596, 1652, 1710, 1770, 1890, 1900, 1995, 2052, 2065, 2100, 2124, 2242, 2394, 2478, 2565, 2655, 2660, 2700, 2850, 2950, 3150, 3186, 3325, 3363, 3420, 3540, 3591, 3717, 3780, 3990, 4130, 4275, 4425, 4484, 4725, 4788, 4956, 5130, 5310, 5605, 5700, 5900, 5985, 6195, 6300, 6372, 6650, 6726, 7182, 7434, 7847, 7965, 7980, 8260, 8550, 8850, 9450, 9975, 10089, 10260, 10325, 10620, 11151, 11210, 11970, 12390, 12825, 13275, 13300, 13452, 14364, 14868, 15694, 15930, 16815, 17100, 17700, 17955, 18585, 18900, 19950, 20178, 20650, 22302, 22420, 23541, 23940, 24780, 25650, 26550, 28025, 29925, 30267, 30975, 31388, 31860, 33630, 35910, 37170, 39235, 39825, 39900, 40356, 41300, 44604, 47082, 50445, 51300, 53100, 55755, 56050, 59850, 60534, 61950, 67260, 70623, 71820, 74340, 78470, 79650, 84075, 89775, 92925, 94164, 100890, 111510, 112100, 117705, 119700, 121068, 123900, 141246, 151335, 156940, 159300, 168150, 179550, 185850, 196175, 201780, 211869, 223020, 235410, 252225, 278775, 282492, 302670, 336300, 353115, 359100, 371700, 392350, 423738, 470820, 504450, 557550, 588525, 605340, 706230, 756675, 784700, 847476, 1008900, 1059345, 1115100, 1177050, 1412460, 1513350, 1765575, 2118690, 2354100, 3026700, 3531150, 4237380, 5296725, 7062300, 10593450, 21186900]

約数ペア:

[(1, 21186900), (2, 10593450), (3, 7062300), (4, 5296725), (5, 4237380), (6, 3531150), (7, 3026700), (9, 2354100), (10, 2118690), (12, 1765575), (14, 1513350), (15, 1412460), (18, 1177050), (19, 1115100), (20, 1059345), (21, 1008900), (25, 847476), (27, 784700), (28, 756675), (30, 706230), (35, 605340), (36, 588525), (38, 557550), (42, 504450), (45, 470820), (50, 423738), (54, 392350), (57, 371700), (59, 359100), (60, 353115), (63, 336300), (70, 302670), (75, 282492), (76, 278775), (84, 252225), (90, 235410), (95, 223020), (100, 211869), (105, 201780), (108, 196175), (114, 185850), (118, 179550), (126, 168150), (133, 159300), (135, 156940), (140, 151335), (150, 141246), (171, 123900), (175, 121068), (177, 119700), (180, 117705), (189, 112100), (190, 111510), (210, 100890), (225, 94164), (228, 92925), (236, 89775), (252, 84075), (266, 79650), (270, 78470), (285, 74340), (295, 71820), (300, 70623), (315, 67260), (342, 61950), (350, 60534), (354, 59850), (378, 56050), (380, 55755), (399, 53100), (413, 51300), (420, 50445), (450, 47082), (475, 44604), (513, 41300), (525, 40356), (531, 39900), (532, 39825), (540, 39235), (570, 37170), (590, 35910), (630, 33630), (665, 31860), (675, 31388), (684, 30975), (700, 30267), (708, 29925), (756, 28025), (798, 26550), (826, 25650), (855, 24780), (885, 23940), (900, 23541), (945, 22420), (950, 22302), (1026, 20650), (1050, 20178), (1062, 19950), (1121, 18900), (1140, 18585), (1180, 17955), (1197, 17700), (1239, 17100), (1260, 16815), (1330, 15930), (1350, 15694), (1425, 14868), (1475, 14364), (1575, 13452), (1593, 13300), (1596, 13275), (1652, 12825), (1710, 12390), (1770, 11970), (1890, 11210), (1900, 11151), (1995, 10620), (2052, 10325), (2065, 10260), (2100, 10089), (2124, 9975), (2242, 9450), (2394, 8850), (2478, 8550), (2565, 8260), (2655, 7980), (2660, 7965), (2700, 7847), (2850, 7434), (2950, 7182), (3150, 6726), (3186, 6650), (3325, 6372), (3363, 6300), (3420, 6195), (3540, 5985), (3591, 5900), (3717, 5700), (3780, 5605), (3990, 5310), (4130, 5130), (4275, 4956), (4425, 4788), (4484, 4725)]