21820019760

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 1120

約数和(自身を含む): 97895305728

約数和(自身を除く): 76075285968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 43, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 81, 84, 86, 88, 90, 99, 105, 108, 110, 112, 113, 120, 126, 129, 132, 135, 140, 144, 154, 162, 165, 168, 172, 176, 180, 189, 198, 210, 215, 216, 220, 226, 231, 240, 243, 252, 258, 264, 270, 280, 297, 301, 308, 315, 324, 330, 336, 339, 344, 360, 378, 385, 387, 396, 405, 420, 430, 432, 440, 452, 462, 473, 486, 495, 504, 516, 528, 540, 560, 565, 567, 594, 602, 616, 630, 645, 648, 660, 678, 688, 693, 720, 729, 756, 770, 774, 791, 792, 810, 840, 860, 880, 891, 903, 904, 924, 945, 946, 972, 990, 1008, 1017, 1032, 1080, 1130, 1134, 1155, 1161, 1188, 1204, 1215, 1232, 1243, 1260, 1290, 1296, 1320, 1356, 1386, 1419, 1458, 1485, 1505, 1512, 1540, 1548, 1582, 1584, 1620, 1680, 1695, 1701, 1720, 1782, 1806, 1808, 1848, 1890, 1892, 1935, 1944, 1980, 2034, 2064, 2079, 2160, 2260, 2268, 2310, 2322, 2365, 2373, 2376, 2408, 2430, 2486, 2520, 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約数ペア:

[(1, 21820019760), (2, 10910009880), (3, 7273339920), (4, 5455004940), (5, 4364003952), (6, 3636669960), (7, 3117145680), (8, 2727502470), (9, 2424446640), (10, 2182001976), (11, 1983638160), (12, 1818334980), (14, 1558572840), (15, 1454667984), (16, 1363751235), (18, 1212223320), (20, 1091000988), (21, 1039048560), (22, 991819080), (24, 909167490), (27, 808148880), (28, 779286420), (30, 727333992), (33, 661212720), (35, 623429136), (36, 606111660), (40, 545500494), (42, 519524280), (43, 507442320), (44, 495909540), (45, 484889328), (48, 454583745), (54, 404074440), (55, 396727632), (56, 389643210), (60, 363666996), (63, 346349520), (66, 330606360), (70, 311714568), (72, 303055830), (77, 283376880), (80, 272750247), (81, 269382960), (84, 259762140), (86, 253721160), (88, 247954770), (90, 242444664), (99, 220404240), (105, 207809712), (108, 202037220), (110, 198363816), (112, 194821605), (113, 193097520), (120, 181833498), (126, 173174760), (129, 169147440), (132, 165303180), (135, 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