21455874

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 31887486

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 41, 54, 66, 82, 99, 123, 198, 246, 297, 369, 451, 594, 738, 881, 902, 1107, 1353, 1762, 2214, 2643, 2706, 4059, 5286, 7929, 8118, 9691, 12177, 15858, 19382, 23787, 24354, 29073, 36121, 47574, 58146, 72242, 87219, 108363, 174438, 216726, 261657, 325089, 397331, 523314, 650178, 794662, 975267, 1191993, 1950534, 2383986, 3575979, 7151958, 10727937, 21455874]

約数ペア:

[(1, 21455874), (2, 10727937), (3, 7151958), (6, 3575979), (9, 2383986), (11, 1950534), (18, 1191993), (22, 975267), (27, 794662), (33, 650178), (41, 523314), (54, 397331), (66, 325089), (82, 261657), (99, 216726), (123, 174438), (198, 108363), (246, 87219), (297, 72242), (369, 58146), (451, 47574), (594, 36121), (738, 29073), (881, 24354), (902, 23787), (1107, 19382), (1353, 15858), (1762, 12177), (2214, 9691), (2643, 8118), (2706, 7929), (4059, 5286)]