21759948

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 43558452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 107, 108, 126, 189, 214, 252, 269, 321, 378, 428, 538, 642, 749, 756, 807, 963, 1076, 1284, 1498, 1614, 1883, 1926, 2247, 2421, 2889, 2996, 3228, 3766, 3852, 4494, 4842, 5649, 5778, 6741, 7263, 7532, 8988, 9684, 11298, 11556, 13482, 14526, 16947, 20223, 22596, 26964, 28783, 29052, 33894, 40446, 50841, 57566, 67788, 80892, 86349, 101682, 115132, 172698, 201481, 203364, 259047, 345396, 402962, 518094, 604443, 777141, 805924, 1036188, 1208886, 1554282, 1813329, 2417772, 3108564, 3626658, 5439987, 7253316, 10879974, 21759948]

約数ペア:

[(1, 21759948), (2, 10879974), (3, 7253316), (4, 5439987), (6, 3626658), (7, 3108564), (9, 2417772), (12, 1813329), (14, 1554282), (18, 1208886), (21, 1036188), (27, 805924), (28, 777141), (36, 604443), (42, 518094), (54, 402962), (63, 345396), (84, 259047), (107, 203364), (108, 201481), (126, 172698), (189, 115132), (214, 101682), (252, 86349), (269, 80892), (321, 67788), (378, 57566), (428, 50841), (538, 40446), (642, 33894), (749, 29052), (756, 28783), (807, 26964), (963, 22596), (1076, 20223), (1284, 16947), (1498, 14526), (1614, 13482), (1883, 11556), (1926, 11298), (2247, 9684), (2421, 8988), (2889, 7532), (2996, 7263), (3228, 6741), (3766, 5778), (3852, 5649), (4494, 4842)]