21693784

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16843}}^1$

素因数の和:16879

約数の個数: 32

約数和(自身を含む): 48510720

約数和(自身を除く): 26816936

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16843, 33686, 67372, 117901, 134744, 235802, 387389, 471604, 774778, 943208, 1549556, 2711723, 3099112, 5423446, 10846892, 21693784]

約数ペア:

[(1, 21693784), (2, 10846892), (4, 5423446), (7, 3099112), (8, 2711723), (14, 1549556), (23, 943208), (28, 774778), (46, 471604), (56, 387389), (92, 235802), (161, 134744), (184, 117901), (322, 67372), (644, 33686), (1288, 16843)]