21544894

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 16609346

約数列:

[1, 2, 7, 14, 47, 94, 137, 239, 274, 329, 478, 658, 959, 1673, 1918, 3346, 6439, 11233, 12878, 22466, 32743, 45073, 65486, 78631, 90146, 157262, 229201, 458402, 1538921, 3077842, 10772447, 21544894]

約数ペア:

[(1, 21544894), (2, 10772447), (7, 3077842), (14, 1538921), (47, 458402), (94, 229201), (137, 157262), (239, 90146), (274, 78631), (329, 65486), (478, 45073), (658, 32743), (959, 22466), (1673, 12878), (1918, 11233), (3346, 6439)]