21469764

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 31365564

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 107, 138, 214, 276, 321, 428, 642, 727, 1284, 1454, 2181, 2461, 2908, 4362, 4922, 7383, 8724, 9844, 14766, 16721, 29532, 33442, 50163, 66884, 77789, 100326, 155578, 200652, 233367, 311156, 466734, 933468, 1789147, 3578294, 5367441, 7156588, 10734882, 21469764]

約数ペア:

[(1, 21469764), (2, 10734882), (3, 7156588), (4, 5367441), (6, 3578294), (12, 1789147), (23, 933468), (46, 466734), (69, 311156), (92, 233367), (107, 200652), (138, 155578), (214, 100326), (276, 77789), (321, 66884), (428, 50163), (642, 33442), (727, 29532), (1284, 16721), (1454, 14766), (2181, 9844), (2461, 8724), (2908, 7383), (4362, 4922)]