21528596

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{877}}^1$

素因数の和:936

約数の個数: 36

約数和(自身を含む): 42149268

約数和(自身を除く): 20620672

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 361, 646, 722, 877, 1292, 1444, 1754, 3508, 6137, 12274, 14909, 16663, 24548, 29818, 33326, 59636, 66652, 283271, 316597, 566542, 633194, 1133084, 1266388, 5382149, 10764298, 21528596]

約数ペア:

[(1, 21528596), (2, 10764298), (4, 5382149), (17, 1266388), (19, 1133084), (34, 633194), (38, 566542), (68, 316597), (76, 283271), (323, 66652), (361, 59636), (646, 33326), (722, 29818), (877, 24548), (1292, 16663), (1444, 14909), (1754, 12274), (3508, 6137)]