21558152

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 29590648

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 79, 88, 154, 158, 308, 316, 443, 553, 616, 632, 869, 886, 1106, 1738, 1772, 2212, 3101, 3476, 3544, 4424, 4873, 6083, 6202, 6952, 9746, 12166, 12404, 19492, 24332, 24808, 34111, 34997, 38984, 48664, 68222, 69994, 136444, 139988, 244979, 272888, 279976, 384967, 489958, 769934, 979916, 1539868, 1959832, 2694769, 3079736, 5389538, 10779076, 21558152]

約数ペア:

[(1, 21558152), (2, 10779076), (4, 5389538), (7, 3079736), (8, 2694769), (11, 1959832), (14, 1539868), (22, 979916), (28, 769934), (44, 489958), (56, 384967), (77, 279976), (79, 272888), (88, 244979), (154, 139988), (158, 136444), (308, 69994), (316, 68222), (443, 48664), (553, 38984), (616, 34997), (632, 34111), (869, 24808), (886, 24332), (1106, 19492), (1738, 12404), (1772, 12166), (2212, 9746), (3101, 6952), (3476, 6202), (3544, 6083), (4424, 4873)]