21059346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 53268480

約数和(自身を除く): 32209134

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 79, 154, 158, 231, 237, 462, 474, 553, 577, 869, 1106, 1154, 1659, 1731, 1738, 2607, 3318, 3462, 4039, 5214, 6083, 6347, 8078, 12117, 12166, 12694, 18249, 19041, 24234, 36498, 38082, 44429, 45583, 88858, 91166, 133287, 136749, 266574, 273498, 319081, 501413, 638162, 957243, 1002826, 1504239, 1914486, 3008478, 3509891, 7019782, 10529673, 21059346]

約数ペア:

[(1, 21059346), (2, 10529673), (3, 7019782), (6, 3509891), (7, 3008478), (11, 1914486), (14, 1504239), (21, 1002826), (22, 957243), (33, 638162), (42, 501413), (66, 319081), (77, 273498), (79, 266574), (154, 136749), (158, 133287), (231, 91166), (237, 88858), (462, 45583), (474, 44429), (553, 38082), (577, 36498), (869, 24234), (1106, 19041), (1154, 18249), (1659, 12694), (1731, 12166), (1738, 12117), (2607, 8078), (3318, 6347), (3462, 6083), (4039, 5214)]