21413910028

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1316321}}^1$

素因数の和:1316422

約数の個数: 36

約数和(自身を含む): 44117848152

約数和(自身を除く): 22703938124

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1162, 2324, 4067, 8134, 16268, 1316321, 2632642, 5265284, 9214247, 18428494, 36856988, 64499729, 109254643, 128999458, 218509286, 257998916, 437018572, 764782501, 1529565002, 3059130004, 5353477507, 10706955014, 21413910028]

約数ペア:

[(1, 21413910028), (2, 10706955014), (4, 5353477507), (7, 3059130004), (14, 1529565002), (28, 764782501), (49, 437018572), (83, 257998916), (98, 218509286), (166, 128999458), (196, 109254643), (332, 64499729), (581, 36856988), (1162, 18428494), (2324, 9214247), (4067, 5265284), (8134, 2632642), (16268, 1316321)]