21486948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13463}}^1$

素因数の和:13496

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 38831772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13463, 26926, 40389, 53852, 80778, 94241, 161556, 188482, 255797, 282723, 376964, 511594, 565446, 767391, 1023188, 1130892, 1534782, 1790579, 3069564, 3581158, 5371737, 7162316, 10743474, 21486948]

約数ペア:

[(1, 21486948), (2, 10743474), (3, 7162316), (4, 5371737), (6, 3581158), (7, 3069564), (12, 1790579), (14, 1534782), (19, 1130892), (21, 1023188), (28, 767391), (38, 565446), (42, 511594), (57, 376964), (76, 282723), (84, 255797), (114, 188482), (133, 161556), (228, 94241), (266, 80778), (399, 53852), (532, 40389), (798, 26926), (1596, 13463)]