21697503

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{4159}}^1$

素因数の和:4246

約数の個数: 16

約数和(自身を含む): 30351360

約数和(自身を除く): 8653857

約数列:

[1, 3, 37, 47, 111, 141, 1739, 4159, 5217, 12477, 153883, 195473, 461649, 586419, 7232501, 21697503]

約数ペア:

[(1, 21697503), (3, 7232501), (37, 586419), (47, 461649), (111, 195473), (141, 153883), (1739, 12477), (4159, 5217)]