21130116924

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{5323}}^1$

素因数の和:5544

約数の個数: 144

約数和(自身を含む): 59071867008

約数和(自身を除く): 37941750084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 157, 172, 196, 258, 294, 301, 314, 471, 516, 588, 602, 628, 903, 942, 1099, 1204, 1806, 1884, 2107, 2198, 3297, 3612, 4214, 4396, 5323, 6321, 6594, 6751, 7693, 8428, 10646, 12642, 13188, 13502, 15386, 15969, 20253, 21292, 23079, 25284, 27004, 30772, 31938, 37261, 40506, 46158, 47257, 63876, 74522, 81012, 92316, 94514, 111783, 141771, 149044, 189028, 223566, 228889, 260827, 283542, 330799, 447132, 457778, 521654, 567084, 661598, 686667, 782481, 835711, 915556, 992397, 1043308, 1323196, 1373334, 1564962, 1602223, 1671422, 1984794, 2507133, 2746668, 3129924, 3204446, 3342844, 3969588, 4806669, 5014266, 5849977, 6408892, 9613338, 10028532, 11215561, 11699954, 17549931, 19226676, 22431122, 23399908, 33646683, 35099862, 35935573, 40949839, 44862244, 67293366, 70199724, 71871146, 81899678, 107806719, 122849517, 134586732, 143742292, 163799356, 215613438, 245699034, 251549011, 431226876, 491398068, 503098022, 754647033, 1006196044, 1509294066, 1760843077, 3018588132, 3521686154, 5282529231, 7043372308, 10565058462, 21130116924]

約数ペア:

[(1, 21130116924), (2, 10565058462), (3, 7043372308), (4, 5282529231), (6, 3521686154), (7, 3018588132), (12, 1760843077), (14, 1509294066), (21, 1006196044), (28, 754647033), (42, 503098022), (43, 491398068), (49, 431226876), (84, 251549011), (86, 245699034), (98, 215613438), (129, 163799356), (147, 143742292), (157, 134586732), (172, 122849517), (196, 107806719), (258, 81899678), (294, 71871146), (301, 70199724), (314, 67293366), (471, 44862244), (516, 40949839), (588, 35935573), (602, 35099862), (628, 33646683), (903, 23399908), (942, 22431122), (1099, 19226676), (1204, 17549931), (1806, 11699954), (1884, 11215561), (2107, 10028532), (2198, 9613338), (3297, 6408892), (3612, 5849977), (4214, 5014266), (4396, 4806669), (5323, 3969588), (6321, 3342844), (6594, 3204446), (6751, 3129924), (7693, 2746668), (8428, 2507133), (10646, 1984794), (12642, 1671422), (13188, 1602223), (13502, 1564962), (15386, 1373334), (15969, 1323196), (20253, 1043308), (21292, 992397), (23079, 915556), (25284, 835711), (27004, 782481), (30772, 686667), (31938, 661598), (37261, 567084), (40506, 521654), (46158, 457778), (47257, 447132), (63876, 330799), (74522, 283542), (81012, 260827), (92316, 228889), (94514, 223566), (111783, 189028), (141771, 149044)]