21611700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 216

約数和(自身を含む): 77182560

約数和(自身を除く): 55570860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 37, 44, 45, 50, 55, 59, 60, 66, 74, 75, 90, 99, 100, 110, 111, 118, 132, 148, 150, 165, 177, 180, 185, 198, 220, 222, 225, 236, 275, 295, 300, 330, 333, 354, 370, 396, 407, 444, 450, 495, 531, 550, 555, 590, 649, 660, 666, 708, 740, 814, 825, 885, 900, 925, 990, 1062, 1100, 1110, 1180, 1221, 1298, 1332, 1475, 1628, 1650, 1665, 1770, 1850, 1947, 1980, 2035, 2124, 2183, 2220, 2442, 2475, 2596, 2655, 2775, 2950, 3245, 3300, 3330, 3540, 3663, 3700, 3894, 4070, 4366, 4425, 4884, 4950, 5310, 5550, 5841, 5900, 6105, 6490, 6549, 6660, 7326, 7788, 8140, 8325, 8732, 8850, 9735, 9900, 10175, 10620, 10915, 11100, 11682, 12210, 12980, 13098, 13275, 14652, 16225, 16650, 17700, 18315, 19470, 19647, 20350, 21830, 23364, 24013, 24420, 26196, 26550, 29205, 30525, 32450, 32745, 33300, 36630, 38940, 39294, 40700, 43660, 48026, 48675, 53100, 54575, 58410, 61050, 64900, 65490, 72039, 73260, 78588, 91575, 96052, 97350, 98235, 109150, 116820, 120065, 122100, 130980, 144078, 146025, 163725, 183150, 194700, 196470, 216117, 218300, 240130, 288156, 292050, 327450, 360195, 366300, 392940, 432234, 480260, 491175, 584100, 600325, 654900, 720390, 864468, 982350, 1080585, 1200650, 1440780, 1800975, 1964700, 2161170, 2401300, 3601950, 4322340, 5402925, 7203900, 10805850, 21611700]

約数ペア:

[(1, 21611700), (2, 10805850), (3, 7203900), (4, 5402925), (5, 4322340), (6, 3601950), (9, 2401300), (10, 2161170), (11, 1964700), (12, 1800975), (15, 1440780), (18, 1200650), (20, 1080585), (22, 982350), (25, 864468), (30, 720390), (33, 654900), (36, 600325), (37, 584100), (44, 491175), (45, 480260), (50, 432234), (55, 392940), (59, 366300), (60, 360195), (66, 327450), (74, 292050), (75, 288156), (90, 240130), (99, 218300), (100, 216117), (110, 196470), (111, 194700), (118, 183150), (132, 163725), (148, 146025), (150, 144078), (165, 130980), (177, 122100), (180, 120065), (185, 116820), (198, 109150), (220, 98235), (222, 97350), (225, 96052), (236, 91575), (275, 78588), (295, 73260), (300, 72039), (330, 65490), (333, 64900), (354, 61050), (370, 58410), (396, 54575), (407, 53100), (444, 48675), (450, 48026), (495, 43660), (531, 40700), (550, 39294), (555, 38940), (590, 36630), (649, 33300), (660, 32745), (666, 32450), (708, 30525), (740, 29205), (814, 26550), (825, 26196), (885, 24420), (900, 24013), (925, 23364), (990, 21830), (1062, 20350), (1100, 19647), (1110, 19470), (1180, 18315), (1221, 17700), (1298, 16650), (1332, 16225), (1475, 14652), (1628, 13275), (1650, 13098), (1665, 12980), (1770, 12210), (1850, 11682), (1947, 11100), (1980, 10915), (2035, 10620), (2124, 10175), (2183, 9900), (2220, 9735), (2442, 8850), (2475, 8732), (2596, 8325), (2655, 8140), (2775, 7788), (2950, 7326), (3245, 6660), (3300, 6549), (3330, 6490), (3540, 6105), (3663, 5900), (3700, 5841), (3894, 5550), (4070, 5310), (4366, 4950), (4425, 4884)]