21361736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242747}}^1$

素因数の和:242764

約数の個数: 16

約数和(自身を含む): 43694640

約数和(自身を除く): 22332904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242747, 485494, 970988, 1941976, 2670217, 5340434, 10680868, 21361736]

約数ペア:

[(1, 21361736), (2, 10680868), (4, 5340434), (8, 2670217), (11, 1941976), (22, 970988), (44, 485494), (88, 242747)]