21039768

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{4003}}^1$

素因数の和:4088

約数の個数: 48

約数和(自身を含む): 57777720

約数和(自身を除く): 36737952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 146, 219, 292, 438, 584, 657, 876, 1314, 1752, 2628, 4003, 5256, 8006, 12009, 16012, 24018, 32024, 36027, 48036, 72054, 96072, 144108, 288216, 292219, 584438, 876657, 1168876, 1753314, 2337752, 2629971, 3506628, 5259942, 7013256, 10519884, 21039768]

約数ペア:

[(1, 21039768), (2, 10519884), (3, 7013256), (4, 5259942), (6, 3506628), (8, 2629971), (9, 2337752), (12, 1753314), (18, 1168876), (24, 876657), (36, 584438), (72, 292219), (73, 288216), (146, 144108), (219, 96072), (292, 72054), (438, 48036), (584, 36027), (657, 32024), (876, 24018), (1314, 16012), (1752, 12009), (2628, 8006), (4003, 5256)]