21393582

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 55302912

約数和(自身を除く): 33909330

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 57, 83, 102, 114, 119, 133, 166, 238, 249, 266, 323, 357, 361, 399, 498, 581, 646, 714, 722, 798, 969, 1083, 1162, 1411, 1577, 1743, 1938, 2166, 2261, 2527, 2822, 3154, 3486, 4233, 4522, 4731, 5054, 6137, 6783, 7581, 8466, 9462, 9877, 11039, 12274, 13566, 15162, 18411, 19754, 22078, 26809, 29631, 29963, 33117, 36822, 42959, 53618, 59262, 59926, 66234, 80427, 85918, 89889, 128877, 160854, 179778, 187663, 209741, 257754, 375326, 419482, 509371, 562989, 629223, 1018742, 1125978, 1258446, 1528113, 3056226, 3565597, 7131194, 10696791, 21393582]

約数ペア:

[(1, 21393582), (2, 10696791), (3, 7131194), (6, 3565597), (7, 3056226), (14, 1528113), (17, 1258446), (19, 1125978), (21, 1018742), (34, 629223), (38, 562989), (42, 509371), (51, 419482), (57, 375326), (83, 257754), (102, 209741), (114, 187663), (119, 179778), (133, 160854), (166, 128877), (238, 89889), (249, 85918), (266, 80427), (323, 66234), (357, 59926), (361, 59262), (399, 53618), (498, 42959), (581, 36822), (646, 33117), (714, 29963), (722, 29631), (798, 26809), (969, 22078), (1083, 19754), (1162, 18411), (1411, 15162), (1577, 13566), (1743, 12274), (1938, 11039), (2166, 9877), (2261, 9462), (2527, 8466), (2822, 7581), (3154, 6783), (3486, 6137), (4233, 5054), (4522, 4731)]