21403804944

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{41011}}^1$

素因数の和:41236

約数の個数: 80

約数和(自身を含む): 56387890944

約数和(自身を除く): 34984086000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 131, 166, 249, 262, 332, 393, 498, 524, 664, 786, 996, 1048, 1328, 1572, 1992, 2096, 3144, 3984, 6288, 10873, 21746, 32619, 41011, 43492, 65238, 82022, 86984, 123033, 130476, 164044, 173968, 246066, 260952, 328088, 492132, 521904, 656176, 984264, 1968528, 3403913, 5372441, 6807826, 10211739, 10744882, 13615652, 16117323, 20423478, 21489764, 27231304, 32234646, 40846956, 42979528, 54462608, 64469292, 81693912, 85959056, 128938584, 163387824, 257877168, 445912603, 891825206, 1337737809, 1783650412, 2675475618, 3567300824, 5350951236, 7134601648, 10701902472, 21403804944]

約数ペア:

[(1, 21403804944), (2, 10701902472), (3, 7134601648), (4, 5350951236), (6, 3567300824), (8, 2675475618), (12, 1783650412), (16, 1337737809), (24, 891825206), (48, 445912603), (83, 257877168), (131, 163387824), (166, 128938584), (249, 85959056), (262, 81693912), (332, 64469292), (393, 54462608), (498, 42979528), (524, 40846956), (664, 32234646), (786, 27231304), (996, 21489764), (1048, 20423478), (1328, 16117323), (1572, 13615652), (1992, 10744882), (2096, 10211739), (3144, 6807826), (3984, 5372441), (6288, 3403913), (10873, 1968528), (21746, 984264), (32619, 656176), (41011, 521904), (43492, 492132), (65238, 328088), (82022, 260952), (86984, 246066), (123033, 173968), (130476, 164044)]