21564900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^2\times {\mathrm{163}}^1$

素因数の和:200

約数の個数: 216

約数和(自身を含む): 81140640

約数和(自身を除く): 59575740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 49, 50, 54, 60, 63, 70, 75, 84, 90, 98, 100, 105, 108, 126, 135, 140, 147, 150, 163, 175, 180, 189, 196, 210, 225, 245, 252, 270, 294, 300, 315, 326, 350, 378, 420, 441, 450, 489, 490, 525, 540, 588, 630, 652, 675, 700, 735, 756, 815, 882, 900, 945, 978, 980, 1050, 1141, 1225, 1260, 1323, 1350, 1467, 1470, 1575, 1630, 1764, 1890, 1956, 2100, 2205, 2282, 2445, 2450, 2646, 2700, 2934, 2940, 3150, 3260, 3423, 3675, 3780, 4075, 4401, 4410, 4564, 4725, 4890, 4900, 5292, 5705, 5868, 6300, 6615, 6846, 7335, 7350, 7987, 8150, 8802, 8820, 9450, 9780, 10269, 11025, 11410, 12225, 13230, 13692, 14670, 14700, 15974, 16300, 17115, 17604, 18900, 20538, 22005, 22050, 22820, 23961, 24450, 26460, 28525, 29340, 30807, 31948, 33075, 34230, 36675, 39935, 41076, 44010, 44100, 47922, 48900, 51345, 57050, 61614, 66150, 68460, 71883, 73350, 79870, 85575, 88020, 95844, 102690, 110025, 114100, 119805, 123228, 132300, 143766, 146700, 154035, 159740, 171150, 199675, 205380, 215649, 220050, 239610, 256725, 287532, 308070, 342300, 359415, 399350, 431298, 440100, 479220, 513450, 599025, 616140, 718830, 770175, 798700, 862596, 1026900, 1078245, 1198050, 1437660, 1540350, 1797075, 2156490, 2396100, 3080700, 3594150, 4312980, 5391225, 7188300, 10782450, 21564900]

約数ペア:

[(1, 21564900), (2, 10782450), (3, 7188300), (4, 5391225), (5, 4312980), (6, 3594150), (7, 3080700), (9, 2396100), (10, 2156490), (12, 1797075), (14, 1540350), (15, 1437660), (18, 1198050), (20, 1078245), (21, 1026900), (25, 862596), (27, 798700), (28, 770175), (30, 718830), (35, 616140), (36, 599025), (42, 513450), (45, 479220), (49, 440100), (50, 431298), (54, 399350), (60, 359415), (63, 342300), (70, 308070), (75, 287532), (84, 256725), (90, 239610), (98, 220050), (100, 215649), (105, 205380), (108, 199675), (126, 171150), (135, 159740), (140, 154035), (147, 146700), (150, 143766), (163, 132300), (175, 123228), (180, 119805), (189, 114100), (196, 110025), (210, 102690), (225, 95844), (245, 88020), (252, 85575), (270, 79870), (294, 73350), (300, 71883), (315, 68460), (326, 66150), (350, 61614), (378, 57050), (420, 51345), (441, 48900), (450, 47922), (489, 44100), (490, 44010), (525, 41076), (540, 39935), (588, 36675), (630, 34230), (652, 33075), (675, 31948), (700, 30807), (735, 29340), (756, 28525), (815, 26460), (882, 24450), (900, 23961), (945, 22820), (978, 22050), (980, 22005), (1050, 20538), (1141, 18900), (1225, 17604), (1260, 17115), (1323, 16300), (1350, 15974), (1467, 14700), (1470, 14670), (1575, 13692), (1630, 13230), (1764, 12225), (1890, 11410), (1956, 11025), (2100, 10269), (2205, 9780), (2282, 9450), (2445, 8820), (2450, 8802), (2646, 8150), (2700, 7987), (2934, 7350), (2940, 7335), (3150, 6846), (3260, 6615), (3423, 6300), (3675, 5868), (3780, 5705), (4075, 5292), (4401, 4900), (4410, 4890), (4564, 4725)]