21947906

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{607}}^1$

素因数の和:889

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 11540734

約数列:

[1, 2, 101, 179, 202, 358, 607, 1214, 18079, 36158, 61307, 108653, 122614, 217306, 10973953, 21947906]

約数ペア:

[(1, 21947906), (2, 10973953), (101, 217306), (179, 122614), (202, 108653), (358, 61307), (607, 36158), (1214, 18079)]