21912957

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 35856000

約数和(自身を除く): 13943043

約数列:

[1, 3, 9, 11, 27, 33, 89, 99, 267, 297, 801, 829, 979, 2403, 2487, 2937, 7461, 8811, 9119, 22383, 26433, 27357, 73781, 82071, 221343, 246213, 664029, 811591, 1992087, 2434773, 7304319, 21912957]

約数ペア:

[(1, 21912957), (3, 7304319), (9, 2434773), (11, 1992087), (27, 811591), (33, 664029), (89, 246213), (99, 221343), (267, 82071), (297, 73781), (801, 27357), (829, 26433), (979, 22383), (2403, 9119), (2487, 8811), (2937, 7461)]