21059258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 15712582

約数列:

[1, 2, 11, 19, 22, 38, 83, 166, 209, 418, 607, 913, 1214, 1577, 1826, 3154, 6677, 11533, 13354, 17347, 23066, 34694, 50381, 100762, 126863, 253726, 554191, 957239, 1108382, 1914478, 10529629, 21059258]

約数ペア:

[(1, 21059258), (2, 10529629), (11, 1914478), (19, 1108382), (22, 957239), (38, 554191), (83, 253726), (166, 126863), (209, 100762), (418, 50381), (607, 34694), (913, 23066), (1214, 17347), (1577, 13354), (1826, 11533), (3154, 6677)]