21691512

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{4127}}^1$

素因数の和:4212

約数の個数: 48

約数和(自身を含む): 59567040

約数和(自身を除く): 37875528

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, 4127, 5256, 8254, 12381, 16508, 24762, 33016, 37143, 49524, 74286, 99048, 148572, 297144, 301271, 602542, 903813, 1205084, 1807626, 2410168, 2711439, 3615252, 5422878, 7230504, 10845756, 21691512]

約数ペア:

[(1, 21691512), (2, 10845756), (3, 7230504), (4, 5422878), (6, 3615252), (8, 2711439), (9, 2410168), (12, 1807626), (18, 1205084), (24, 903813), (36, 602542), (72, 301271), (73, 297144), (146, 148572), (219, 99048), (292, 74286), (438, 49524), (584, 37143), (657, 33016), (876, 24762), (1314, 16508), (1752, 12381), (2628, 8254), (4127, 5256)]