16721848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 21017672

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 47, 52, 88, 94, 104, 143, 188, 286, 311, 376, 517, 572, 611, 622, 1034, 1144, 1222, 1244, 2068, 2444, 2488, 3421, 4043, 4136, 4888, 6721, 6842, 8086, 13442, 13684, 14617, 16172, 26884, 27368, 29234, 32344, 44473, 53768, 58468, 88946, 116936, 160787, 177892, 190021, 321574, 355784, 380042, 643148, 760084, 1286296, 1520168, 2090231, 4180462, 8360924, 16721848]

約数ペア:

[(1, 16721848), (2, 8360924), (4, 4180462), (8, 2090231), (11, 1520168), (13, 1286296), (22, 760084), (26, 643148), (44, 380042), (47, 355784), (52, 321574), (88, 190021), (94, 177892), (104, 160787), (143, 116936), (188, 88946), (286, 58468), (311, 53768), (376, 44473), (517, 32344), (572, 29234), (611, 27368), (622, 26884), (1034, 16172), (1144, 14617), (1222, 13684), (1244, 13442), (2068, 8086), (2444, 6842), (2488, 6721), (3421, 4888), (4043, 4136)]