21637876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{433}}^1$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 42234276

約数和(自身を除く): 20596400

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 433, 806, 866, 961, 1612, 1732, 1922, 3844, 5629, 11258, 12493, 13423, 22516, 24986, 26846, 49972, 53692, 174499, 348998, 416113, 697996, 832226, 1664452, 5409469, 10818938, 21637876]

約数ペア:

[(1, 21637876), (2, 10818938), (4, 5409469), (13, 1664452), (26, 832226), (31, 697996), (52, 416113), (62, 348998), (124, 174499), (403, 53692), (433, 49972), (806, 26846), (866, 24986), (961, 22516), (1612, 13423), (1732, 12493), (1922, 11258), (3844, 5629)]