21895995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1013}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 38548224

約数和(自身を除く): 16652229

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 1013, 1441, 1965, 3039, 4323, 5065, 7205, 11143, 15195, 21615, 33429, 55715, 132703, 167145, 398109, 663515, 1459733, 1990545, 4379199, 7298665, 21895995]

約数ペア:

[(1, 21895995), (3, 7298665), (5, 4379199), (11, 1990545), (15, 1459733), (33, 663515), (55, 398109), (131, 167145), (165, 132703), (393, 55715), (655, 33429), (1013, 21615), (1441, 15195), (1965, 11143), (3039, 7205), (4323, 5065)]