21686528

素因数分解:

$2^8\times {\mathrm{84713}}^1$

素因数の和:84729

約数の個数: 18

約数和(自身を含む): 43288854

約数和(自身を除く): 21602326

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84713, 169426, 338852, 677704, 1355408, 2710816, 5421632, 10843264, 21686528]

約数ペア:

[(1, 21686528), (2, 10843264), (4, 5421632), (8, 2710816), (16, 1355408), (32, 677704), (64, 338852), (128, 169426), (256, 84713)]