21007272

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6121}}^1$

素因数の和:6154

約数の個数: 64

約数和(自身を含む): 61709760

約数和(自身を除く): 40702488

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 6121, 12242, 18363, 24484, 36726, 48968, 67331, 73452, 79573, 134662, 146904, 159146, 201993, 238719, 269324, 318292, 403986, 477438, 538648, 636584, 807972, 875303, 954876, 1615944, 1750606, 1909752, 2625909, 3501212, 5251818, 7002424, 10503636, 21007272]

約数ペア:

[(1, 21007272), (2, 10503636), (3, 7002424), (4, 5251818), (6, 3501212), (8, 2625909), (11, 1909752), (12, 1750606), (13, 1615944), (22, 954876), (24, 875303), (26, 807972), (33, 636584), (39, 538648), (44, 477438), (52, 403986), (66, 318292), (78, 269324), (88, 238719), (104, 201993), (132, 159146), (143, 146904), (156, 134662), (264, 79573), (286, 73452), (312, 67331), (429, 48968), (572, 36726), (858, 24484), (1144, 18363), (1716, 12242), (3432, 6121)]