21850983

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31531}}^1$

素因数の和:31555

約数の個数: 24

約数和(自身を含む): 39351936

約数和(自身を除く): 17500953

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 31531, 94593, 220717, 283779, 346841, 662151, 1040523, 1986453, 2427887, 3121569, 7283661, 21850983]

約数ペア:

[(1, 21850983), (3, 7283661), (7, 3121569), (9, 2427887), (11, 1986453), (21, 1040523), (33, 662151), (63, 346841), (77, 283779), (99, 220717), (231, 94593), (693, 31531)]