21426376816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{139393}}^1$

素因数の和:140153

約数の個数: 40

約数和(自身を含む): 44767777040

約数和(自身を除く): 23341400224

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 739, 1478, 2956, 5912, 9607, 11824, 19214, 38428, 76856, 139393, 153712, 278786, 557572, 1115144, 1812109, 2230288, 3624218, 7248436, 14496872, 28993744, 103011427, 206022854, 412045708, 824091416, 1339148551, 1648182832, 2678297102, 5356594204, 10713188408, 21426376816]

約数ペア:

[(1, 21426376816), (2, 10713188408), (4, 5356594204), (8, 2678297102), (13, 1648182832), (16, 1339148551), (26, 824091416), (52, 412045708), (104, 206022854), (208, 103011427), (739, 28993744), (1478, 14496872), (2956, 7248436), (5912, 3624218), (9607, 2230288), (11824, 1812109), (19214, 1115144), (38428, 557572), (76856, 278786), (139393, 153712)]