21764536

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 20369864

約数列:

[1, 2, 4, 8, 43, 86, 151, 172, 302, 344, 419, 604, 838, 1208, 1676, 3352, 6493, 12986, 18017, 25972, 36034, 51944, 63269, 72068, 126538, 144136, 253076, 506152, 2720567, 5441134, 10882268, 21764536]

約数ペア:

[(1, 21764536), (2, 10882268), (4, 5441134), (8, 2720567), (43, 506152), (86, 253076), (151, 144136), (172, 126538), (302, 72068), (344, 63269), (419, 51944), (604, 36034), (838, 25972), (1208, 18017), (1676, 12986), (3352, 6493)]