21793948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11519}}^1$

素因数の和:11577

約数の個数: 24

約数和(自身を含む): 42577920

約数和(自身を除く): 20783972

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 11519, 23038, 46076, 126709, 253418, 495317, 506836, 990634, 1981268, 5448487, 10896974, 21793948]

約数ペア:

[(1, 21793948), (2, 10896974), (4, 5448487), (11, 1981268), (22, 990634), (43, 506836), (44, 495317), (86, 253418), (172, 126709), (473, 46076), (946, 23038), (1892, 11519)]