21403044

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 42806556

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 29, 36, 38, 39, 52, 57, 58, 76, 78, 83, 87, 114, 116, 117, 156, 166, 171, 174, 228, 234, 247, 249, 261, 332, 342, 348, 377, 468, 494, 498, 522, 551, 684, 741, 747, 754, 988, 996, 1044, 1079, 1102, 1131, 1482, 1494, 1508, 1577, 1653, 2158, 2204, 2223, 2262, 2407, 2964, 2988, 3154, 3237, 3306, 3393, 4316, 4446, 4524, 4731, 4814, 4959, 6308, 6474, 6612, 6786, 7163, 7221, 8892, 9462, 9628, 9711, 9918, 12948, 13572, 14193, 14326, 14442, 18924, 19422, 19836, 20501, 21489, 21663, 28386, 28652, 28884, 31291, 38844, 41002, 42978, 43326, 45733, 56772, 61503, 62582, 64467, 82004, 85956, 86652, 91466, 93873, 123006, 125164, 128934, 137199, 182932, 184509, 187746, 246012, 257868, 274398, 281619, 369018, 375492, 411597, 548796, 563238, 594529, 738036, 823194, 1126476, 1189058, 1646388, 1783587, 2378116, 3567174, 5350761, 7134348, 10701522, 21403044]

約数ペア:

[(1, 21403044), (2, 10701522), (3, 7134348), (4, 5350761), (6, 3567174), (9, 2378116), (12, 1783587), (13, 1646388), (18, 1189058), (19, 1126476), (26, 823194), (29, 738036), (36, 594529), (38, 563238), (39, 548796), (52, 411597), (57, 375492), (58, 369018), (76, 281619), (78, 274398), (83, 257868), (87, 246012), (114, 187746), (116, 184509), (117, 182932), (156, 137199), (166, 128934), (171, 125164), (174, 123006), (228, 93873), (234, 91466), (247, 86652), (249, 85956), (261, 82004), (332, 64467), (342, 62582), (348, 61503), (377, 56772), (468, 45733), (494, 43326), (498, 42978), (522, 41002), (551, 38844), (684, 31291), (741, 28884), (747, 28652), (754, 28386), (988, 21663), (996, 21489), (1044, 20501), (1079, 19836), (1102, 19422), (1131, 18924), (1482, 14442), (1494, 14326), (1508, 14193), (1577, 13572), (1653, 12948), (2158, 9918), (2204, 9711), (2223, 9628), (2262, 9462), (2407, 8892), (2964, 7221), (2988, 7163), (3154, 6786), (3237, 6612), (3306, 6474), (3393, 6308), (4316, 4959), (4446, 4814), (4524, 4731)]