21620419968

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{1481}}^1\times {\mathrm{5431}}^1$

素因数の和:6936

約数の個数: 128

約数和(自身を含む): 65689827840

約数和(自身を除く): 44069407872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 1481, 2688, 2962, 4443, 5431, 5924, 8886, 10367, 10862, 11848, 16293, 17772, 20734, 21724, 23696, 31101, 32586, 35544, 38017, 41468, 43448, 47392, 62202, 65172, 71088, 76034, 82936, 86896, 94784, 114051, 124404, 130344, 142176, 152068, 165872, 173792, 189568, 228102, 248808, 260688, 284352, 304136, 331744, 347584, 456204, 497616, 521376, 568704, 608272, 663488, 695168, 912408, 995232, 1042752, 1216544, 1326976, 1824816, 1990464, 2085504, 2433088, 3649632, 3980928, 4866176, 7299264, 8043311, 14598528, 16086622, 24129933, 32173244, 48259866, 56303177, 64346488, 96519732, 112606354, 128692976, 168909531, 193039464, 225212708, 257385952, 337819062, 386078928, 450425416, 514771904, 675638124, 772157856, 900850832, 1029543808, 1351276248, 1544315712, 1801701664, 2702552496, 3088631424, 3603403328, 5405104992, 7206806656, 10810209984, 21620419968]

約数ペア:

[(1, 21620419968), (2, 10810209984), (3, 7206806656), (4, 5405104992), (6, 3603403328), (7, 3088631424), (8, 2702552496), (12, 1801701664), (14, 1544315712), (16, 1351276248), (21, 1029543808), (24, 900850832), (28, 772157856), (32, 675638124), (42, 514771904), (48, 450425416), (56, 386078928), (64, 337819062), (84, 257385952), (96, 225212708), (112, 193039464), (128, 168909531), (168, 128692976), (192, 112606354), (224, 96519732), (336, 64346488), (384, 56303177), (448, 48259866), (672, 32173244), (896, 24129933), (1344, 16086622), (1481, 14598528), (2688, 8043311), (2962, 7299264), (4443, 4866176), (5431, 3980928), (5924, 3649632), (8886, 2433088), (10367, 2085504), (10862, 1990464), (11848, 1824816), (16293, 1326976), (17772, 1216544), (20734, 1042752), (21724, 995232), (23696, 912408), (31101, 695168), (32586, 663488), (35544, 608272), (38017, 568704), (41468, 521376), (43448, 497616), (47392, 456204), (62202, 347584), (65172, 331744), (71088, 304136), (76034, 284352), (82936, 260688), (86896, 248808), (94784, 228102), (114051, 189568), (124404, 173792), (130344, 165872), (142176, 152068)]