21304206

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:854

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 39348594

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 57, 63, 66, 77, 99, 114, 126, 133, 154, 171, 198, 209, 231, 266, 342, 399, 418, 462, 627, 693, 798, 809, 1197, 1254, 1386, 1463, 1618, 1881, 2394, 2427, 2926, 3762, 4389, 4854, 5663, 7281, 8778, 8899, 11326, 13167, 14562, 15371, 16989, 17798, 26334, 26697, 30742, 33978, 46113, 50967, 53394, 62293, 80091, 92226, 101934, 107597, 124586, 138339, 160182, 169081, 186879, 215194, 276678, 322791, 338162, 373758, 507243, 560637, 645582, 968373, 1014486, 1121274, 1183567, 1521729, 1936746, 2367134, 3043458, 3550701, 7101402, 10652103, 21304206]

約数ペア:

[(1, 21304206), (2, 10652103), (3, 7101402), (6, 3550701), (7, 3043458), (9, 2367134), (11, 1936746), (14, 1521729), (18, 1183567), (19, 1121274), (21, 1014486), (22, 968373), (33, 645582), (38, 560637), (42, 507243), (57, 373758), (63, 338162), (66, 322791), (77, 276678), (99, 215194), (114, 186879), (126, 169081), (133, 160182), (154, 138339), (171, 124586), (198, 107597), (209, 101934), (231, 92226), (266, 80091), (342, 62293), (399, 53394), (418, 50967), (462, 46113), (627, 33978), (693, 30742), (798, 26697), (809, 26334), (1197, 17798), (1254, 16989), (1386, 15371), (1463, 14562), (1618, 13167), (1881, 11326), (2394, 8899), (2427, 8778), (2926, 7281), (3762, 5663), (4389, 4854)]