21227528

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16481}}^1$

素因数の和:16517

約数の個数: 32

約数和(自身を含む): 47468160

約数和(自身を除く): 26240632

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16481, 32962, 65924, 115367, 131848, 230734, 379063, 461468, 758126, 922936, 1516252, 2653441, 3032504, 5306882, 10613764, 21227528]

約数ペア:

[(1, 21227528), (2, 10613764), (4, 5306882), (7, 3032504), (8, 2653441), (14, 1516252), (23, 922936), (28, 758126), (46, 461468), (56, 379063), (92, 230734), (161, 131848), (184, 115367), (322, 65924), (644, 32962), (1288, 16481)]