21858364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1933}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 41913648

約数和(自身を除く): 20055284

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 1933, 2827, 3866, 5654, 7732, 11308, 21263, 42526, 85052, 496781, 993562, 1987124, 5464591, 10929182, 21858364]

約数ペア:

[(1, 21858364), (2, 10929182), (4, 5464591), (11, 1987124), (22, 993562), (44, 496781), (257, 85052), (514, 42526), (1028, 21263), (1933, 11308), (2827, 7732), (3866, 5654)]