21599930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1097}}^1$

素因数の和:1294

約数の個数: 32

約数和(自身を含む): 42690240

約数和(自身を除く): 21090310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 358, 895, 1097, 1790, 1969, 2194, 3938, 5485, 9845, 10970, 12067, 19690, 24134, 60335, 120670, 196363, 392726, 981815, 1963630, 2159993, 4319986, 10799965, 21599930]

約数ペア:

[(1, 21599930), (2, 10799965), (5, 4319986), (10, 2159993), (11, 1963630), (22, 981815), (55, 392726), (110, 196363), (179, 120670), (358, 60335), (895, 24134), (1097, 19690), (1790, 12067), (1969, 10970), (2194, 9845), (3938, 5485)]