21821987512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{44389}}^1$

素因数の和:44600

約数の個数: 64

約数和(自身を含む): 45863748000

約数和(自身を除く): 24041760488

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 163, 232, 326, 377, 652, 754, 1304, 1508, 2119, 3016, 4238, 4727, 8476, 9454, 16952, 18908, 37816, 44389, 61451, 88778, 122902, 177556, 245804, 355112, 491608, 577057, 1154114, 1287281, 2308228, 2574562, 4616456, 5149124, 7235407, 10298248, 14470814, 16734653, 28941628, 33469306, 57883256, 66938612, 94060291, 133877224, 188120582, 209826803, 376241164, 419653606, 752482328, 839307212, 1678614424, 2727748439, 5455496878, 10910993756, 21821987512]

約数ペア:

[(1, 21821987512), (2, 10910993756), (4, 5455496878), (8, 2727748439), (13, 1678614424), (26, 839307212), (29, 752482328), (52, 419653606), (58, 376241164), (104, 209826803), (116, 188120582), (163, 133877224), (232, 94060291), (326, 66938612), (377, 57883256), (652, 33469306), (754, 28941628), (1304, 16734653), (1508, 14470814), (2119, 10298248), (3016, 7235407), (4238, 5149124), (4727, 4616456), (8476, 2574562), (9454, 2308228), (16952, 1287281), (18908, 1154114), (37816, 577057), (44389, 491608), (61451, 355112), (88778, 245804), (122902, 177556)]