21605242

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{12097}}^1$

素因数の和:12165

約数の個数: 16

約数和(自身を含む): 34842240

約数和(自身を除く): 13236998

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 12097, 24194, 229843, 459686, 568559, 1137118, 10802621, 21605242]

約数ペア:

[(1, 21605242), (2, 10802621), (19, 1137118), (38, 568559), (47, 459686), (94, 229843), (893, 24194), (1786, 12097)]