21433936

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21961}}^1$

素因数の和:22030

約数の個数: 20

約数和(自身を含む): 42210964

約数和(自身を除く): 20777028

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21961, 43922, 87844, 175688, 351376, 1339621, 2679242, 5358484, 10716968, 21433936]

約数ペア:

[(1, 21433936), (2, 10716968), (4, 5358484), (8, 2679242), (16, 1339621), (61, 351376), (122, 175688), (244, 87844), (488, 43922), (976, 21961)]