21221904

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{40193}}^1$

素因数の和:40215

約数の個数: 40

約数和(自身を含む): 59808672

約数和(自身を除く): 38586768

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 40193, 80386, 120579, 160772, 241158, 321544, 442123, 482316, 643088, 884246, 964632, 1326369, 1768492, 1929264, 2652738, 3536984, 5305476, 7073968, 10610952, 21221904]

約数ペア:

[(1, 21221904), (2, 10610952), (3, 7073968), (4, 5305476), (6, 3536984), (8, 2652738), (11, 1929264), (12, 1768492), (16, 1326369), (22, 964632), (24, 884246), (33, 643088), (44, 482316), (48, 442123), (66, 321544), (88, 241158), (132, 160772), (176, 120579), (264, 80386), (528, 40193)]