21115696906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:967

約数の個数: 64

約数和(自身を含む): 34648580736

約数和(自身を除く): 13532883830

約数列:

[1, 2, 17, 34, 73, 101, 131, 146, 202, 262, 643, 1241, 1286, 1717, 2227, 2482, 3434, 4454, 7373, 9563, 10931, 13231, 14746, 19126, 21862, 26462, 46939, 64943, 84233, 93878, 125341, 129886, 162571, 168466, 224927, 250682, 325142, 449854, 797963, 965863, 1104031, 1431961, 1595926, 1931726, 2208062, 2863922, 4740839, 6149009, 8507533, 9481678, 12298018, 16419671, 17015066, 32839342, 80594263, 104533153, 144628061, 161188526, 209066306, 289256122, 621049909, 1242099818, 10557848453, 21115696906]

約数ペア:

[(1, 21115696906), (2, 10557848453), (17, 1242099818), (34, 621049909), (73, 289256122), (101, 209066306), (131, 161188526), (146, 144628061), (202, 104533153), (262, 80594263), (643, 32839342), (1241, 17015066), (1286, 16419671), (1717, 12298018), (2227, 9481678), (2482, 8507533), (3434, 6149009), (4454, 4740839), (7373, 2863922), (9563, 2208062), (10931, 1931726), (13231, 1595926), (14746, 1431961), (19126, 1104031), (21862, 965863), (26462, 797963), (46939, 449854), (64943, 325142), (84233, 250682), (93878, 224927), (125341, 168466), (129886, 162571)]