21889404

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 59911488

約数和(自身を除く): 38022084

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 47, 51, 68, 94, 102, 141, 153, 188, 204, 282, 306, 423, 564, 612, 761, 799, 846, 1522, 1598, 1692, 2283, 2397, 3044, 3196, 4566, 4794, 6849, 7191, 9132, 9588, 12937, 13698, 14382, 25874, 27396, 28764, 35767, 38811, 51748, 71534, 77622, 107301, 116433, 143068, 155244, 214602, 232866, 321903, 429204, 465732, 608039, 643806, 1216078, 1287612, 1824117, 2432156, 3648234, 5472351, 7296468, 10944702, 21889404]

約数ペア:

[(1, 21889404), (2, 10944702), (3, 7296468), (4, 5472351), (6, 3648234), (9, 2432156), (12, 1824117), (17, 1287612), (18, 1216078), (34, 643806), (36, 608039), (47, 465732), (51, 429204), (68, 321903), (94, 232866), (102, 214602), (141, 155244), (153, 143068), (188, 116433), (204, 107301), (282, 77622), (306, 71534), (423, 51748), (564, 38811), (612, 35767), (761, 28764), (799, 27396), (846, 25874), (1522, 14382), (1598, 13698), (1692, 12937), (2283, 9588), (2397, 9132), (3044, 7191), (3196, 6849), (4566, 4794)]