21139392

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{4787}}^1$

素因数の和:4825

約数の個数: 56

約数和(自身を含む): 58375296

約数和(自身を除く): 37235904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 138, 184, 192, 276, 368, 552, 736, 1104, 1472, 2208, 4416, 4787, 9574, 14361, 19148, 28722, 38296, 57444, 76592, 110101, 114888, 153184, 220202, 229776, 306368, 330303, 440404, 459552, 660606, 880808, 919104, 1321212, 1761616, 2642424, 3523232, 5284848, 7046464, 10569696, 21139392]

約数ペア:

[(1, 21139392), (2, 10569696), (3, 7046464), (4, 5284848), (6, 3523232), (8, 2642424), (12, 1761616), (16, 1321212), (23, 919104), (24, 880808), (32, 660606), (46, 459552), (48, 440404), (64, 330303), (69, 306368), (92, 229776), (96, 220202), (138, 153184), (184, 114888), (192, 110101), (276, 76592), (368, 57444), (552, 38296), (736, 28722), (1104, 19148), (1472, 14361), (2208, 9574), (4416, 4787)]