21503228880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12799541}}^1$

素因数の和:12799564

約数の個数: 80

約数和(自身を含む): 76182873984

約数和(自身を除く): 54679645104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12799541, 25599082, 38398623, 51198164, 63997705, 76797246, 89596787, 102396328, 127995410, 153594492, 179193574, 191993115, 204792656, 255990820, 268790361, 307188984, 358387148, 383986230, 447983935, 511981640, 537580722, 614377968, 716774296, 767972460, 895967870, 1023963280, 1075161444, 1343951805, 1433548592, 1535944920, 1791935740, 2150322888, 2687903610, 3071889840, 3583871480, 4300645776, 5375807220, 7167742960, 10751614440, 21503228880]

約数ペア:

[(1, 21503228880), (2, 10751614440), (3, 7167742960), (4, 5375807220), (5, 4300645776), (6, 3583871480), (7, 3071889840), (8, 2687903610), (10, 2150322888), (12, 1791935740), (14, 1535944920), (15, 1433548592), (16, 1343951805), (20, 1075161444), (21, 1023963280), (24, 895967870), (28, 767972460), (30, 716774296), (35, 614377968), (40, 537580722), (42, 511981640), (48, 447983935), (56, 383986230), (60, 358387148), (70, 307188984), (80, 268790361), (84, 255990820), (105, 204792656), (112, 191993115), (120, 179193574), (140, 153594492), (168, 127995410), (210, 102396328), (240, 89596787), (280, 76797246), (336, 63997705), (420, 51198164), (560, 38398623), (840, 25599082), (1680, 12799541)]