21895201

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1279}}^1$

素因数の和:1368

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 2987999

約数列:

[1, 17, 19, 53, 323, 901, 1007, 1279, 17119, 21743, 24301, 67787, 413117, 1152379, 1287953, 21895201]

約数ペア:

[(1, 21895201), (17, 1287953), (19, 1152379), (53, 413117), (323, 67787), (901, 24301), (1007, 21743), (1279, 17119)]