21805375194

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{121909}}^1$

素因数の和:122459

約数の個数: 48

約数和(自身を含む): 49827055200

約数和(自身を除く): 28021680006

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 523, 1046, 1569, 3138, 4707, 9414, 9937, 19874, 29811, 59622, 89433, 121909, 178866, 243818, 365727, 731454, 1097181, 2194362, 2316271, 4632542, 6948813, 13897626, 20846439, 41692878, 63758407, 127516814, 191275221, 382550442, 573825663, 1147651326, 1211409733, 2422819466, 3634229199, 7268458398, 10902687597, 21805375194]

約数ペア:

[(1, 21805375194), (2, 10902687597), (3, 7268458398), (6, 3634229199), (9, 2422819466), (18, 1211409733), (19, 1147651326), (38, 573825663), (57, 382550442), (114, 191275221), (171, 127516814), (342, 63758407), (523, 41692878), (1046, 20846439), (1569, 13897626), (3138, 6948813), (4707, 4632542), (9414, 2316271), (9937, 2194362), (19874, 1097181), (29811, 731454), (59622, 365727), (89433, 243818), (121909, 178866)]