20211884638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1\times {\mathrm{1493}}^1$

素因数の和:1897

約数の個数: 64

約数和(自身を含む): 35239276800

約数和(自身を除く): 15027392162

約数列:

[1, 2, 11, 19, 22, 38, 139, 209, 233, 278, 418, 466, 1493, 1529, 2563, 2641, 2986, 3058, 4427, 5126, 5282, 8854, 16423, 28367, 29051, 32387, 32846, 48697, 56734, 58102, 64774, 97394, 207527, 312037, 347869, 356257, 415054, 615353, 624074, 695738, 712514, 1230706, 2282797, 3826559, 3943013, 4565594, 6609511, 6768883, 7653118, 7886026, 13219022, 13537766, 43373143, 48353791, 72704621, 86746286, 96707582, 145409242, 531891701, 918722029, 1063783402, 1837444058, 10105942319, 20211884638]

約数ペア:

[(1, 20211884638), (2, 10105942319), (11, 1837444058), (19, 1063783402), (22, 918722029), (38, 531891701), (139, 145409242), (209, 96707582), (233, 86746286), (278, 72704621), (418, 48353791), (466, 43373143), (1493, 13537766), (1529, 13219022), (2563, 7886026), (2641, 7653118), (2986, 6768883), (3058, 6609511), (4427, 4565594), (5126, 3943013), (5282, 3826559), (8854, 2282797), (16423, 1230706), (28367, 712514), (29051, 695738), (32387, 624074), (32846, 615353), (48697, 415054), (56734, 356257), (58102, 347869), (64774, 312037), (97394, 207527)]