21998637.000000000

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 275788800

約数和(自身を除く): 152499414

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 139, 151, 178, 267, 278, 302, 417, 453, 534, 834, 906, 979, 1529, 1661, 1958, 2937, 3058, 3322, 4587, 4983, 5874, 9174, 9966, 12371, 13439, 20989, 24742, 26878, 37113, 40317, 41978, 62967, 74226, 80634, 125934, 136081, 147829, 230879, 272162, 295658, 408243, 443487, 461758, 692637, 816486, 886974, 1385274, 1868021, 3736042, 5604063, 11208126, 20548231, 41096462, 61644693, 123289386]

約数ペア:

[(1, 123289386), (2, 61644693), (3, 41096462), (6, 20548231), (11, 11208126), (22, 5604063), (33, 3736042), (66, 1868021), (89, 1385274), (139, 886974), (151, 816486), (178, 692637), (267, 461758), (278, 443487), (302, 408243), (417, 295658), (453, 272162), (534, 230879), (834, 147829), (906, 136081), (979, 125934), (1529, 80634), (1661, 74226), (1958, 62967), (2937, 41978), (3058, 40317), (3322, 37113), (4587, 26878), (4983, 24742), (5874, 20989), (9174, 13439), (9966, 12371)]