21297045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18439}}^1$

素因数の和:18465

約数の個数: 32

約数和(自身を含む): 42485760

約数和(自身を除く): 21188715

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18439, 55317, 92195, 129073, 202829, 276585, 387219, 608487, 645365, 1014145, 1419803, 1936095, 3042435, 4259409, 7099015, 21297045]

約数ペア:

[(1, 21297045), (3, 7099015), (5, 4259409), (7, 3042435), (11, 1936095), (15, 1419803), (21, 1014145), (33, 645365), (35, 608487), (55, 387219), (77, 276585), (105, 202829), (165, 129073), (231, 92195), (385, 55317), (1155, 18439)]