21717361779

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{20717}}^1$

素因数の和:21139

約数の個数: 32

約数和(自身を含む): 31146612480

約数和(自身を除く): 9429250701

約数列:

[1, 3, 19, 53, 57, 159, 347, 1007, 1041, 3021, 6593, 18391, 19779, 20717, 55173, 62151, 349429, 393623, 1048287, 1098001, 1180869, 3294003, 7188799, 20862019, 21566397, 62586057, 136587181, 381006347, 409761543, 1143019041, 7239120593, 21717361779]

約数ペア:

[(1, 21717361779), (3, 7239120593), (19, 1143019041), (53, 409761543), (57, 381006347), (159, 136587181), (347, 62586057), (1007, 21566397), (1041, 20862019), (3021, 7188799), (6593, 3294003), (18391, 1180869), (19779, 1098001), (20717, 1048287), (55173, 393623), (62151, 349429)]