21836148464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1999}}^1\times {\mathrm{52517}}^1$

素因数の和:54537

約数の個数: 40

約数和(自身を含む): 45585624000

約数和(自身を除く): 23749475536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1999, 3998, 7996, 15992, 25987, 31984, 51974, 52517, 103948, 105034, 207896, 210068, 415792, 420136, 682721, 840272, 1365442, 2730884, 5461768, 10923536, 104981483, 209962966, 419925932, 839851864, 1364759279, 1679703728, 2729518558, 5459037116, 10918074232, 21836148464]

約数ペア:

[(1, 21836148464), (2, 10918074232), (4, 5459037116), (8, 2729518558), (13, 1679703728), (16, 1364759279), (26, 839851864), (52, 419925932), (104, 209962966), (208, 104981483), (1999, 10923536), (3998, 5461768), (7996, 2730884), (15992, 1365442), (25987, 840272), (31984, 682721), (51974, 420136), (52517, 415792), (103948, 210068), (105034, 207896)]