21089316

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5441}}^1$

素因数の和:5484

約数の個数: 48

約数和(自身を含む): 54855360

約数和(自身を除く): 33766044

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5441, 10882, 16323, 21764, 32646, 65292, 92497, 103379, 184994, 206758, 277491, 310137, 369988, 413516, 554982, 620274, 1109964, 1240548, 1757443, 3514886, 5272329, 7029772, 10544658, 21089316]

約数ペア:

[(1, 21089316), (2, 10544658), (3, 7029772), (4, 5272329), (6, 3514886), (12, 1757443), (17, 1240548), (19, 1109964), (34, 620274), (38, 554982), (51, 413516), (57, 369988), (68, 310137), (76, 277491), (102, 206758), (114, 184994), (204, 103379), (228, 92497), (323, 65292), (646, 32646), (969, 21764), (1292, 16323), (1938, 10882), (3876, 5441)]