21641048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18917}}^1$

素因数の和:18947

約数の個数: 32

約数和(自身を含む): 47673360

約数和(自身を除く): 26032312

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18917, 37834, 75668, 151336, 208087, 245921, 416174, 491842, 832348, 983684, 1664696, 1967368, 2705131, 5410262, 10820524, 21641048]

約数ペア:

[(1, 21641048), (2, 10820524), (4, 5410262), (8, 2705131), (11, 1967368), (13, 1664696), (22, 983684), (26, 832348), (44, 491842), (52, 416174), (88, 245921), (104, 208087), (143, 151336), (286, 75668), (572, 37834), (1144, 18917)]