21288216

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{52177}}^1$

素因数の和:52203

約数の個数: 32

約数和(自身を含む): 56352240

約数和(自身を除く): 35064024

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 52177, 104354, 156531, 208708, 313062, 417416, 626124, 887009, 1252248, 1774018, 2661027, 3548036, 5322054, 7096072, 10644108, 21288216]

約数ペア:

[(1, 21288216), (2, 10644108), (3, 7096072), (4, 5322054), (6, 3548036), (8, 2661027), (12, 1774018), (17, 1252248), (24, 887009), (34, 626124), (51, 417416), (68, 313062), (102, 208708), (136, 156531), (204, 104354), (408, 52177)]