21191676

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4339}}^1$

素因数の和:4394

約数の個数: 48

約数和(自身を含む): 55413120

約数和(自身を除く): 34221444

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 4339, 4884, 8678, 13017, 17356, 26034, 47729, 52068, 95458, 143187, 160543, 190916, 286374, 321086, 481629, 572748, 642172, 963258, 1765973, 1926516, 3531946, 5297919, 7063892, 10595838, 21191676]

約数ペア:

[(1, 21191676), (2, 10595838), (3, 7063892), (4, 5297919), (6, 3531946), (11, 1926516), (12, 1765973), (22, 963258), (33, 642172), (37, 572748), (44, 481629), (66, 321086), (74, 286374), (111, 190916), (132, 160543), (148, 143187), (222, 95458), (407, 52068), (444, 47729), (814, 26034), (1221, 17356), (1628, 13017), (2442, 8678), (4339, 4884)]