21045871263

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1816

約数の個数: 64

約数和(自身を含む): 31044870144

約数和(自身を除く): 9998998881

約数列:

[1, 3, 23, 31, 61, 69, 93, 101, 183, 303, 713, 1403, 1597, 1891, 2139, 2323, 3131, 4209, 4791, 5673, 6161, 6969, 9393, 18483, 36731, 43493, 49507, 72013, 97417, 110193, 130479, 141703, 148521, 161297, 190991, 216039, 292251, 425109, 483891, 572973, 1138661, 2240591, 3019927, 3415983, 3709831, 4392793, 5000207, 6721773, 9059781, 9839117, 11129493, 13178379, 15000621, 29517351, 69458321, 115004761, 208374963, 226299691, 305012627, 345014283, 678899073, 915037881, 7015290421, 21045871263]

約数ペア:

[(1, 21045871263), (3, 7015290421), (23, 915037881), (31, 678899073), (61, 345014283), (69, 305012627), (93, 226299691), (101, 208374963), (183, 115004761), (303, 69458321), (713, 29517351), (1403, 15000621), (1597, 13178379), (1891, 11129493), (2139, 9839117), (2323, 9059781), (3131, 6721773), (4209, 5000207), (4791, 4392793), (5673, 3709831), (6161, 3415983), (6969, 3019927), (9393, 2240591), (18483, 1138661), (36731, 572973), (43493, 483891), (49507, 425109), (72013, 292251), (97417, 216039), (110193, 190991), (130479, 161297), (141703, 148521)]